18966152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139457}}^1$

素因数の和:139480

約数の個数: 16

約数和(自身を含む): 37653660

約数和(自身を除く): 18687508

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139457, 278914, 557828, 1115656, 2370769, 4741538, 9483076, 18966152]

約数ペア:

[(1, 18966152), (2, 9483076), (4, 4741538), (8, 2370769), (17, 1115656), (34, 557828), (68, 278914), (136, 139457)]