19108640

素因数分解:

$2^5\times 5^1\times {\mathrm{119429}}^1$

素因数の和:119444

約数の個数: 24

約数和(自身を含む): 45144540

約数和(自身を除く): 26035900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 119429, 238858, 477716, 597145, 955432, 1194290, 1910864, 2388580, 3821728, 4777160, 9554320, 19108640]

約数ペア:

[(1, 19108640), (2, 9554320), (4, 4777160), (5, 3821728), (8, 2388580), (10, 1910864), (16, 1194290), (20, 955432), (32, 597145), (40, 477716), (80, 238858), (160, 119429)]