2019439877

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1305391}}^1$

素因数の和:1305428

約数の個数: 16

約数和(自身を含む): 2631670272

約数和(自身を除く): 612230395

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1305391, 9137737, 16970083, 22191647, 118790581, 155341529, 288491411, 2019439877]

約数ペア:

[(1, 2019439877), (7, 288491411), (13, 155341529), (17, 118790581), (91, 22191647), (119, 16970083), (221, 9137737), (1547, 1305391)]