18178460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12451}}^1$

素因数の和:12533

約数の個数: 24

約数和(自身を含む): 38700816

約数和(自身を除く): 20522356

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12451, 24902, 49804, 62255, 124510, 249020, 908923, 1817846, 3635692, 4544615, 9089230, 18178460]

約数ペア:

[(1, 18178460), (2, 9089230), (4, 4544615), (5, 3635692), (10, 1817846), (20, 908923), (73, 249020), (146, 124510), (292, 62255), (365, 49804), (730, 24902), (1460, 12451)]