19109816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{217157}}^1$

素因数の和:217174

約数の個数: 16

約数和(自身を含む): 39088440

約数和(自身を除く): 19978624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 217157, 434314, 868628, 1737256, 2388727, 4777454, 9554908, 19109816]

約数ペア:

[(1, 19109816), (2, 9554908), (4, 4777454), (8, 2388727), (11, 1737256), (22, 868628), (44, 434314), (88, 217157)]