12864956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19031}}^1$

素因数の和:19061

約数の個数: 18

約数和(自身を含む): 24379992

約数和(自身を除く): 11515036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19031, 38062, 76124, 247403, 494806, 989612, 3216239, 6432478, 12864956]

約数ペア:

[(1, 12864956), (2, 6432478), (4, 3216239), (13, 989612), (26, 494806), (52, 247403), (169, 76124), (338, 38062), (676, 19031)]