18496780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31891}}^1$

素因数の和:31929

約数の個数: 24

約数和(自身を含む): 40183920

約数和(自身を除く): 21687140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31891, 63782, 127564, 159455, 318910, 637820, 924839, 1849678, 3699356, 4624195, 9248390, 18496780]

約数ペア:

[(1, 18496780), (2, 9248390), (4, 4624195), (5, 3699356), (10, 1849678), (20, 924839), (29, 637820), (58, 318910), (116, 159455), (145, 127564), (290, 63782), (580, 31891)]