18813665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1201}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 24434256

約数和(自身を除く): 5620591

約数列:

[1, 5, 13, 65, 241, 1201, 1205, 3133, 6005, 15613, 15665, 78065, 289441, 1447205, 3762733, 18813665]

約数ペア:

[(1, 18813665), (5, 3762733), (13, 1447205), (65, 289441), (241, 78065), (1201, 15665), (1205, 15613), (3133, 6005)]