19836464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42751}}^1$

素因数の和:42788

約数の個数: 20

約数和(自身を含む): 39759360

約数和(自身を除く): 19922896

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42751, 85502, 171004, 342008, 684016, 1239779, 2479558, 4959116, 9918232, 19836464]

約数ペア:

[(1, 19836464), (2, 9918232), (4, 4959116), (8, 2479558), (16, 1239779), (29, 684016), (58, 342008), (116, 171004), (232, 85502), (464, 42751)]