18883947745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4091863}}^1$

素因数の和:4091952

約数の個数: 16

約数和(自身を含む): 24747593472

約数和(自身を除く): 5863645727

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4091863, 20459315, 53194219, 265971095, 290522273, 1452611365, 3776789549, 18883947745]

約数ペア:

[(1, 18883947745), (5, 3776789549), (13, 1452611365), (65, 290522273), (71, 265971095), (355, 53194219), (923, 20459315), (4615, 4091863)]