18104560

素因数分解:

$2^4\times 5^1\times {\mathrm{226307}}^1$

素因数の和:226320

約数の個数: 20

約数和(自身を含む): 42093288

約数和(自身を除く): 23988728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226307, 452614, 905228, 1131535, 1810456, 2263070, 3620912, 4526140, 9052280, 18104560]

約数ペア:

[(1, 18104560), (2, 9052280), (4, 4526140), (5, 3620912), (8, 2263070), (10, 1810456), (16, 1131535), (20, 905228), (40, 452614), (80, 226307)]