18328505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7621}}^1$

素因数の和:7676

約数の個数: 16

約数和(自身を含む): 24329424

約数和(自身を除く): 6000919

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 7621, 38105, 99073, 281977, 495365, 1409885, 3665701, 18328505]

約数ペア:

[(1, 18328505), (5, 3665701), (13, 1409885), (37, 495365), (65, 281977), (185, 99073), (481, 38105), (2405, 7621)]