17897620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3623}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 42618240

約数和(自身を除く): 24720620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3623, 4940, 7246, 14492, 18115, 36230, 47099, 68837, 72460, 94198, 137674, 188396, 235495, 275348, 344185, 470990, 688370, 894881, 941980, 1376740, 1789762, 3579524, 4474405, 8948810, 17897620]

約数ペア:

[(1, 17897620), (2, 8948810), (4, 4474405), (5, 3579524), (10, 1789762), (13, 1376740), (19, 941980), (20, 894881), (26, 688370), (38, 470990), (52, 344185), (65, 275348), (76, 235495), (95, 188396), (130, 137674), (190, 94198), (247, 72460), (260, 68837), (380, 47099), (494, 36230), (988, 18115), (1235, 14492), (2470, 7246), (3623, 4940)]