18510571009

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1\times {\mathrm{29833}}^1$

素因数の和:30624

約数の個数: 16

約数和(自身を含む): 21343004928

約数和(自身を除く): 2832433919

約数列:

[1, 7, 137, 647, 959, 4529, 29833, 88639, 208831, 620473, 4087121, 19301951, 28609847, 135113657, 2644367287, 18510571009]

約数ペア:

[(1, 18510571009), (7, 2644367287), (137, 135113657), (647, 28609847), (959, 19301951), (4529, 4087121), (29833, 620473), (88639, 208831)]