18056440

素因数分解:

$2^3\times 5^1\times {\mathrm{451411}}^1$

素因数の和:451422

約数の個数: 16

約数和(自身を含む): 40627080

約数和(自身を除く): 22570640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451411, 902822, 1805644, 2257055, 3611288, 4514110, 9028220, 18056440]

約数ペア:

[(1, 18056440), (2, 9028220), (4, 4514110), (5, 3611288), (8, 2257055), (10, 1805644), (20, 902822), (40, 451411)]