18456940

素因数分解:

$2^2\times 5^1\times {\mathrm{733}}^1\times {\mathrm{1259}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 38843280

約数和(自身を除く): 20386340

約数列:

[1, 2, 4, 5, 10, 20, 733, 1259, 1466, 2518, 2932, 3665, 5036, 6295, 7330, 12590, 14660, 25180, 922847, 1845694, 3691388, 4614235, 9228470, 18456940]

約数ペア:

[(1, 18456940), (2, 9228470), (4, 4614235), (5, 3691388), (10, 1845694), (20, 922847), (733, 25180), (1259, 14660), (1466, 12590), (2518, 7330), (2932, 6295), (3665, 5036)]