19833980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5479}}^1$

素因数の和:5669

約数の個数: 24

約数和(自身を含む): 41889120

約数和(自身を除く): 22055140

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5479, 10958, 21916, 27395, 54790, 109580, 991699, 1983398, 3966796, 4958495, 9916990, 19833980]

約数ペア:

[(1, 19833980), (2, 9916990), (4, 4958495), (5, 3966796), (10, 1983398), (20, 991699), (181, 109580), (362, 54790), (724, 27395), (905, 21916), (1810, 10958), (3620, 5479)]