18973870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111611}}^1$

素因数の和:111635

約数の個数: 16

約数和(自身を含む): 36162288

約数和(自身を除く): 17188418

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111611, 223222, 558055, 1116110, 1897387, 3794774, 9486935, 18973870]

約数ペア:

[(1, 18973870), (2, 9486935), (5, 3794774), (10, 1897387), (17, 1116110), (34, 558055), (85, 223222), (170, 111611)]