18243020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1873}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 38409504

約数和(自身を除く): 20166484

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1873, 1948, 2435, 3746, 4870, 7492, 9365, 9740, 18730, 37460, 912151, 1824302, 3648604, 4560755, 9121510, 18243020]

約数ペア:

[(1, 18243020), (2, 9121510), (4, 4560755), (5, 3648604), (10, 1824302), (20, 912151), (487, 37460), (974, 18730), (1873, 9740), (1948, 9365), (2435, 7492), (3746, 4870)]