19799403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13721}}^1$

素因数の和:13774

約数の個数: 16

約数和(自身を含む): 29200416

約数和(自身を除く): 9401013

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13721, 41163, 178373, 507677, 535119, 1523031, 6599801, 19799403]

約数ペア:

[(1, 19799403), (3, 6599801), (13, 1523031), (37, 535119), (39, 507677), (111, 178373), (481, 41163), (1443, 13721)]