19215371

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 22963200

約数和(自身を除く): 3747829

約数列:

[1, 7, 29, 103, 203, 721, 919, 2987, 6433, 20909, 26651, 94657, 186557, 662599, 2745053, 19215371]

約数ペア:

[(1, 19215371), (7, 2745053), (29, 662599), (103, 186557), (203, 94657), (721, 26651), (919, 20909), (2987, 6433)]