19799687056

素因数分解:

$2^4\times {\mathrm{2647}}^1\times {\mathrm{467503}}^1$

素因数の和:470158

約数の個数: 20

約数和(自身を含む): 38376468352

約数和(自身を除く): 18576781296

約数列:

[1, 2, 4, 8, 16, 2647, 5294, 10588, 21176, 42352, 467503, 935006, 1870012, 3740024, 7480048, 1237480441, 2474960882, 4949921764, 9899843528, 19799687056]

約数ペア:

[(1, 19799687056), (2, 9899843528), (4, 4949921764), (8, 2474960882), (16, 1237480441), (2647, 7480048), (5294, 3740024), (10588, 1870012), (21176, 935006), (42352, 467503)]