18926475

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{617}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 31419120

約数和(自身を除く): 12492645

約数列:

[1, 3, 5, 15, 25, 75, 409, 617, 1227, 1851, 2045, 3085, 6135, 9255, 10225, 15425, 30675, 46275, 252353, 757059, 1261765, 3785295, 6308825, 18926475]

約数ペア:

[(1, 18926475), (3, 6308825), (5, 3785295), (15, 1261765), (25, 757059), (75, 252353), (409, 46275), (617, 30675), (1227, 15425), (1851, 10225), (2045, 9255), (3085, 6135)]