19518863

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 24170496

約数和(自身を除く): 4651633

約数列:

[1, 7, 13, 91, 191, 1123, 1337, 2483, 7861, 14599, 17381, 102193, 214493, 1501451, 2788409, 19518863]

約数ペア:

[(1, 19518863), (7, 2788409), (13, 1501451), (91, 214493), (191, 102193), (1123, 17381), (1337, 14599), (2483, 7861)]