19888432

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42863}}^1$

素因数の和:42900

約数の個数: 20

約数和(自身を含む): 39863520

約数和(自身を除く): 19975088

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42863, 85726, 171452, 342904, 685808, 1243027, 2486054, 4972108, 9944216, 19888432]

約数ペア:

[(1, 19888432), (2, 9944216), (4, 4972108), (8, 2486054), (16, 1243027), (29, 685808), (58, 342904), (116, 171452), (232, 85726), (464, 42863)]