2005190023

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{78233}}^1$

素因数の和:78342

約数の個数: 12

約数和(自身を含む): 2146115088

約数和(自身を除く): 140925065

約数列:

[1, 19, 71, 361, 1349, 25631, 78233, 1486427, 5554543, 28242113, 105536317, 2005190023]

約数ペア:

[(1, 2005190023), (19, 105536317), (71, 28242113), (361, 5554543), (1349, 1486427), (25631, 78233)]