18726640

素因数分解:

$2^4\times 5^1\times {\mathrm{234083}}^1$

素因数の和:234096

約数の個数: 20

約数和(自身を含む): 43539624

約数和(自身を除く): 24812984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234083, 468166, 936332, 1170415, 1872664, 2340830, 3745328, 4681660, 9363320, 18726640]

約数ペア:

[(1, 18726640), (2, 9363320), (4, 4681660), (5, 3745328), (8, 2340830), (10, 1872664), (16, 1170415), (20, 936332), (40, 468166), (80, 234083)]