18072920

素因数分解:

$2^3\times 5^1\times {\mathrm{451823}}^1$

素因数の和:451834

約数の個数: 16

約数和(自身を含む): 40664160

約数和(自身を除く): 22591240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451823, 903646, 1807292, 2259115, 3614584, 4518230, 9036460, 18072920]

約数ペア:

[(1, 18072920), (2, 9036460), (4, 4518230), (5, 3614584), (8, 2259115), (10, 1807292), (20, 903646), (40, 451823)]