18422840

素因数分解:

$2^3\times 5^1\times {\mathrm{460571}}^1$

素因数の和:460582

約数の個数: 16

約数和(自身を含む): 41451480

約数和(自身を除く): 23028640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460571, 921142, 1842284, 2302855, 3684568, 4605710, 9211420, 18422840]

約数ペア:

[(1, 18422840), (2, 9211420), (4, 4605710), (5, 3684568), (8, 2302855), (10, 1842284), (20, 921142), (40, 460571)]