18539059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4026

約数の個数: 16

約数和(自身を含む): 23498496

約数和(自身を除く): 4959437

約数列:

[1, 7, 11, 61, 77, 427, 671, 3947, 4697, 27629, 43417, 240767, 303919, 1685369, 2648437, 18539059]

約数ペア:

[(1, 18539059), (7, 2648437), (11, 1685369), (61, 303919), (77, 240767), (427, 43417), (671, 27629), (3947, 4697)]