19783340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3571}}^1$

素因数の和:3857

約数の個数: 24

約数和(自身を含む): 41706672

約数和(自身を除く): 21923332

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3571, 5540, 7142, 14284, 17855, 35710, 71420, 989167, 1978334, 3956668, 4945835, 9891670, 19783340]

約数ペア:

[(1, 19783340), (2, 9891670), (4, 4945835), (5, 3956668), (10, 1978334), (20, 989167), (277, 71420), (554, 35710), (1108, 17855), (1385, 14284), (2770, 7142), (3571, 5540)]