18386427

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 24976640

約数和(自身を除く): 6590213

約数列:

[1, 3, 103, 157, 309, 379, 471, 1137, 16171, 39037, 48513, 59503, 117111, 178509, 6128809, 18386427]

約数ペア:

[(1, 18386427), (3, 6128809), (103, 178509), (157, 117111), (309, 59503), (379, 48513), (471, 39037), (1137, 16171)]