18076840

素因数分解:

$2^3\times 5^1\times {\mathrm{451921}}^1$

素因数の和:451932

約数の個数: 16

約数和(自身を含む): 40672980

約数和(自身を除く): 22596140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451921, 903842, 1807684, 2259605, 3615368, 4519210, 9038420, 18076840]

約数ペア:

[(1, 18076840), (2, 9038420), (4, 4519210), (5, 3615368), (8, 2259605), (10, 1807684), (20, 903842), (40, 451921)]