18714260

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2161}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 39408936

約数和(自身を除く): 20694676

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2161, 2165, 4322, 4330, 8644, 8660, 10805, 21610, 43220, 935713, 1871426, 3742852, 4678565, 9357130, 18714260]

約数ペア:

[(1, 18714260), (2, 9357130), (4, 4678565), (5, 3742852), (10, 1871426), (20, 935713), (433, 43220), (866, 21610), (1732, 10805), (2161, 8660), (2165, 8644), (4322, 4330)]