18708640

素因数分解:

$2^5\times 5^1\times {\mathrm{116929}}^1$

素因数の和:116944

約数の個数: 24

約数和(自身を含む): 44199540

約数和(自身を除く): 25490900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116929, 233858, 467716, 584645, 935432, 1169290, 1870864, 2338580, 3741728, 4677160, 9354320, 18708640]

約数ペア:

[(1, 18708640), (2, 9354320), (4, 4677160), (5, 3741728), (8, 2338580), (10, 1870864), (16, 1169290), (20, 935432), (32, 584645), (40, 467716), (80, 233858), (160, 116929)]