18096920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{929}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 40845600

約数和(自身を除く): 22748680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 929, 974, 1858, 1948, 2435, 3716, 3896, 4645, 4870, 7432, 9290, 9740, 18580, 19480, 37160, 452423, 904846, 1809692, 2262115, 3619384, 4524230, 9048460, 18096920]

約数ペア:

[(1, 18096920), (2, 9048460), (4, 4524230), (5, 3619384), (8, 2262115), (10, 1809692), (20, 904846), (40, 452423), (487, 37160), (929, 19480), (974, 18580), (1858, 9740), (1948, 9290), (2435, 7432), (3716, 4870), (3896, 4645)]