18918824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139109}}^1$

素因数の和:139132

約数の個数: 16

約数和(自身を含む): 37559700

約数和(自身を除く): 18640876

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139109, 278218, 556436, 1112872, 2364853, 4729706, 9459412, 18918824]

約数ペア:

[(1, 18918824), (2, 9459412), (4, 4729706), (8, 2364853), (17, 1112872), (34, 556436), (68, 278218), (136, 139109)]