18625313

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 22070016

約数和(自身を除く): 3444703

約数列:

[1, 7, 53, 61, 371, 427, 823, 3233, 5761, 22631, 43619, 50203, 305333, 351421, 2660759, 18625313]

約数ペア:

[(1, 18625313), (7, 2660759), (53, 351421), (61, 305333), (371, 50203), (427, 43619), (823, 22631), (3233, 5761)]