18049717

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 21498624

約数和(自身を除く): 3448907

約数列:

[1, 7, 41, 61, 287, 427, 1031, 2501, 7217, 17507, 42271, 62891, 295897, 440237, 2578531, 18049717]

約数ペア:

[(1, 18049717), (7, 2578531), (41, 440237), (61, 295897), (287, 62891), (427, 42271), (1031, 17507), (2501, 7217)]