18837820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32479}}^1$

素因数の和:32517

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 22086980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32479, 64958, 129916, 162395, 324790, 649580, 941891, 1883782, 3767564, 4709455, 9418910, 18837820]

約数ペア:

[(1, 18837820), (2, 9418910), (4, 4709455), (5, 3767564), (10, 1883782), (20, 941891), (29, 649580), (58, 324790), (116, 162395), (145, 129916), (290, 64958), (580, 32479)]