C# code

C# code

using System; 
using System.Collections.Generic;
class MyClass {

      static void Main(string[] args) { 
       string[] ip = Console.ReadLine().Trim().Split(' ');
       long a = Convert.ToInt64(ip[0]);
       long b = Convert.ToInt64(ip[1]);
       Console.Write(commDiv(a,b)); 
       
       
    }
    
    static long gcd(long a, long b) 
    { 
        if (a == 0)  
            return b; 
          
        return gcd(b % a, a); 
    } 
     
      static long commDiv(long a, long b) 
    { 
          
        // find gcd of a,b 
        long n;
        if(a != b){
            n = gcd(a, b); 
        }
        else {
            n=a;
        }
      
        // Count divisors of n. 
        
        long result = 0; 
        for (long i = 1; i <= Math.Sqrt(n); i++) 
        { 
              
            // if 'i' is factor of n 
            if (n % i == 0) 
            { 
                  
                // check if divisors are equal 
                if (n / i == i) 
                    result += 1; 
                else
                    result += 2; 
            } 
        } 
          
        return result; 
    } 
}