18331240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4283}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 41640480

約数和(自身を除く): 23309240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4283, 8566, 17132, 21415, 34264, 42830, 85660, 171320, 458281, 916562, 1833124, 2291405, 3666248, 4582810, 9165620, 18331240]

約数ペア:

[(1, 18331240), (2, 9165620), (4, 4582810), (5, 3666248), (8, 2291405), (10, 1833124), (20, 916562), (40, 458281), (107, 171320), (214, 85660), (428, 42830), (535, 34264), (856, 21415), (1070, 17132), (2140, 8566), (4280, 4283)]