19878340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34273}}^1$

素因数の和:34311

約数の個数: 24

約数和(自身を含む): 43185240

約数和(自身を除く): 23306900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34273, 68546, 137092, 171365, 342730, 685460, 993917, 1987834, 3975668, 4969585, 9939170, 19878340]

約数ペア:

[(1, 19878340), (2, 9939170), (4, 4969585), (5, 3975668), (10, 1987834), (20, 993917), (29, 685460), (58, 342730), (116, 171365), (145, 137092), (290, 68546), (580, 34273)]