18345925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 25796960

約数和(自身を除く): 7451035

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 2971, 6175, 14855, 38623, 56449, 74275, 193115, 282245, 733837, 965575, 1411225, 3669185, 18345925]

約数ペア:

[(1, 18345925), (5, 3669185), (13, 1411225), (19, 965575), (25, 733837), (65, 282245), (95, 193115), (247, 74275), (325, 56449), (475, 38623), (1235, 14855), (2971, 6175)]