19833740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12553}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 42181440

約数和(自身を除く): 22347700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12553, 25106, 50212, 62765, 125530, 251060, 991687, 1983374, 3966748, 4958435, 9916870, 19833740]

約数ペア:

[(1, 19833740), (2, 9916870), (4, 4958435), (5, 3966748), (10, 1983374), (20, 991687), (79, 251060), (158, 125530), (316, 62765), (395, 50212), (790, 25106), (1580, 12553)]