10191980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26849

約数の個数: 24

約数和(自身を含む): 22530480

約数和(自身を除く): 12338500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26821, 53642, 107284, 134105, 268210, 509599, 536420, 1019198, 2038396, 2547995, 5095990, 10191980]

約数ペア:

[(1, 10191980), (2, 5095990), (4, 2547995), (5, 2038396), (10, 1019198), (19, 536420), (20, 509599), (38, 268210), (76, 134105), (95, 107284), (190, 53642), (380, 26821)]