18086715

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1451}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 31485168

約数和(自身を除く): 13398453

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 1385, 1451, 2493, 4155, 4353, 7255, 12465, 13059, 21765, 65295, 401927, 1205781, 2009635, 3617343, 6028905, 18086715]

約数ペア:

[(1, 18086715), (3, 6028905), (5, 3617343), (9, 2009635), (15, 1205781), (45, 401927), (277, 65295), (831, 21765), (1385, 13059), (1451, 12465), (2493, 7255), (4155, 4353)]