18705616

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2161}}^1$

素因数の和:2710

約数の個数: 20

約数和(自身を含む): 36325924

約数和(自身を除く): 17620308

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2161, 2164, 4322, 4328, 8644, 8656, 17288, 34576, 1169101, 2338202, 4676404, 9352808, 18705616]

約数ペア:

[(1, 18705616), (2, 9352808), (4, 4676404), (8, 2338202), (16, 1169101), (541, 34576), (1082, 17288), (2161, 8656), (2164, 8644), (4322, 4328)]