19965087185

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1\times {\mathrm{79159}}^1$

素因数の和:79928

約数の個数: 16

約数和(自身を含む): 24321751680

約数和(自身を除く): 4356664495

約数列:

[1, 5, 73, 365, 691, 3455, 50443, 79159, 252215, 395795, 5778607, 28893035, 54698869, 273494345, 3993017437, 19965087185]

約数ペア:

[(1, 19965087185), (5, 3993017437), (73, 273494345), (365, 54698869), (691, 28893035), (3455, 5778607), (50443, 395795), (79159, 252215)]