18130480

素因数分解:

$2^4\times 5^1\times {\mathrm{226631}}^1$

素因数の和:226644

約数の個数: 20

約数和(自身を含む): 42153552

約数和(自身を除く): 24023072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226631, 453262, 906524, 1133155, 1813048, 2266310, 3626096, 4532620, 9065240, 18130480]

約数ペア:

[(1, 18130480), (2, 9065240), (4, 4532620), (5, 3626096), (8, 2266310), (10, 1813048), (16, 1133155), (20, 906524), (40, 453262), (80, 226631)]