19596820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22787}}^1$

素因数の和:22839

約数の個数: 24

約数和(自身を含む): 42112224

約数和(自身を除く): 22515404

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22787, 45574, 91148, 113935, 227870, 455740, 979841, 1959682, 3919364, 4899205, 9798410, 19596820]

約数ペア:

[(1, 19596820), (2, 9798410), (4, 4899205), (5, 3919364), (10, 1959682), (20, 979841), (43, 455740), (86, 227870), (172, 113935), (215, 91148), (430, 45574), (860, 22787)]