18500012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{272059}}^1$

素因数の和:272080

約数の個数: 12

約数和(自身を含む): 34279560

約数和(自身を除く): 15779548

約数列:

[1, 2, 4, 17, 34, 68, 272059, 544118, 1088236, 4625003, 9250006, 18500012]

約数ペア:

[(1, 18500012), (2, 9250006), (4, 4625003), (17, 1088236), (34, 544118), (68, 272059)]