18079240

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1259}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 22744760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1259, 1436, 1795, 2518, 2872, 3590, 5036, 6295, 7180, 10072, 12590, 14360, 25180, 50360, 451981, 903962, 1807924, 2259905, 3615848, 4519810, 9039620, 18079240]

約数ペア:

[(1, 18079240), (2, 9039620), (4, 4519810), (5, 3615848), (8, 2259905), (10, 1807924), (20, 903962), (40, 451981), (359, 50360), (718, 25180), (1259, 14360), (1436, 12590), (1795, 10072), (2518, 7180), (2872, 6295), (3590, 5036)]