19878572

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{24481}}^1$

素因数の和:24521

約数の個数: 24

約数和(自身を含む): 41129760

約数和(自身を除く): 21251188

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 24481, 48962, 97924, 171367, 342734, 685468, 709949, 1419898, 2839796, 4969643, 9939286, 19878572]

約数ペア:

[(1, 19878572), (2, 9939286), (4, 4969643), (7, 2839796), (14, 1419898), (28, 709949), (29, 685468), (58, 342734), (116, 171367), (203, 97924), (406, 48962), (812, 24481)]