18900195

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1531}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 30296832

約数和(自身を除く): 11396637

約数列:

[1, 3, 5, 15, 823, 1531, 2469, 4115, 4593, 7655, 12345, 22965, 1260013, 3780039, 6300065, 18900195]

約数ペア:

[(1, 18900195), (3, 6300065), (5, 3780039), (15, 1260013), (823, 22965), (1531, 12345), (2469, 7655), (4115, 4593)]