19898104

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{42157}}^1$

素因数の和:42222

約数の個数: 16

約数和(自身を含む): 37942200

約数和(自身を除く): 18044096

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 42157, 84314, 168628, 337256, 2487263, 4974526, 9949052, 19898104]

約数ペア:

[(1, 19898104), (2, 9949052), (4, 4974526), (8, 2487263), (59, 337256), (118, 168628), (236, 84314), (472, 42157)]