19604120

素因数分解:

$2^3\times 5^1\times {\mathrm{490103}}^1$

素因数の和:490114

約数の個数: 16

約数和(自身を含む): 44109360

約数和(自身を除く): 24505240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 490103, 980206, 1960412, 2450515, 3920824, 4901030, 9802060, 19604120]

約数ペア:

[(1, 19604120), (2, 9802060), (4, 4901030), (5, 3920824), (8, 2450515), (10, 1960412), (20, 980206), (40, 490103)]