19235620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22367}}^1$

素因数の和:22419

約数の個数: 24

約数和(自身を含む): 41336064

約数和(自身を除く): 22100444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22367, 44734, 89468, 111835, 223670, 447340, 961781, 1923562, 3847124, 4808905, 9617810, 19235620]

約数ペア:

[(1, 19235620), (2, 9617810), (4, 4808905), (5, 3847124), (10, 1923562), (20, 961781), (43, 447340), (86, 223670), (172, 111835), (215, 89468), (430, 44734), (860, 22367)]