19958902864

素因数分解:

$2^4\times {\mathrm{42751}}^1\times {\mathrm{29179}}^1$

素因数の和:71938

約数の個数: 20

約数和(自身を含む): 38672604160

約数和(自身を除く): 18713701296

約数列:

[1, 2, 4, 8, 16, 29179, 42751, 58358, 85502, 116716, 171004, 233432, 342008, 466864, 684016, 1247431429, 2494862858, 4989725716, 9979451432, 19958902864]

約数ペア:

[(1, 19958902864), (2, 9979451432), (4, 4989725716), (8, 2494862858), (16, 1247431429), (29179, 684016), (42751, 466864), (58358, 342008), (85502, 233432), (116716, 171004)]