18296840

素因数分解:

$2^3\times 5^1\times {\mathrm{457421}}^1$

素因数の和:457432

約数の個数: 16

約数和(自身を含む): 41167980

約数和(自身を除く): 22871140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457421, 914842, 1829684, 2287105, 3659368, 4574210, 9148420, 18296840]

約数ペア:

[(1, 18296840), (2, 9148420), (4, 4574210), (5, 3659368), (8, 2287105), (10, 1829684), (20, 914842), (40, 457421)]