The number of divisors of 2019 is __________ .
(A) 2
(B) 36
(C) 48
(D) 4
Answer: (D)
Explanation: Prime factorization of 2019,
2019 = 3*673
Therefore, number of divisor of 2019,
= (1+1)*(1+1)
= 2*2
= 4
These divisors are 1, 3, 673, 2019.
So, option (D) is correct.
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