18110480

素因数分解:

$2^4\times 5^1\times {\mathrm{226381}}^1$

素因数の和:226394

約数の個数: 20

約数和(自身を含む): 42107052

約数和(自身を除く): 23996572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226381, 452762, 905524, 1131905, 1811048, 2263810, 3622096, 4527620, 9055240, 18110480]

約数ペア:

[(1, 18110480), (2, 9055240), (4, 4527620), (5, 3622096), (8, 2263810), (10, 1811048), (16, 1131905), (20, 905524), (40, 452762), (80, 226381)]