18722384

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2861}}^1$

素因数の和:3278

約数の個数: 20

約数和(自身を含む): 36376020

約数和(自身を除く): 17653636

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2861, 3272, 5722, 6544, 11444, 22888, 45776, 1170149, 2340298, 4680596, 9361192, 18722384]

約数ペア:

[(1, 18722384), (2, 9361192), (4, 4680596), (8, 2340298), (16, 1170149), (409, 45776), (818, 22888), (1636, 11444), (2861, 6544), (3272, 5722)]