18851740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32503}}^1$

素因数の和:32541

約数の個数: 24

約数和(自身を含む): 40955040

約数和(自身を除く): 22103300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32503, 65006, 130012, 162515, 325030, 650060, 942587, 1885174, 3770348, 4712935, 9425870, 18851740]

約数ペア:

[(1, 18851740), (2, 9425870), (4, 4712935), (5, 3770348), (10, 1885174), (20, 942587), (29, 650060), (58, 325030), (116, 162515), (145, 130012), (290, 65006), (580, 32503)]