19988335085

素因数分解:

$5^1\times {\mathrm{439}}^1\times {\mathrm{617}}^1\times {\mathrm{14759}}^1$

素因数の和:15820

約数の個数: 16

約数和(自身を含む): 24081235200

約数和(自身を除く): 4092900115

約数列:

[1, 5, 439, 617, 2195, 3085, 14759, 73795, 270863, 1354315, 6479201, 9106303, 32396005, 45531515, 3997667017, 19988335085]

約数ペア:

[(1, 19988335085), (5, 3997667017), (439, 45531515), (617, 32396005), (2195, 9106303), (3085, 6479201), (14759, 1354315), (73795, 270863)]