18821392

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4373}}^1$

素因数の和:4650

約数の個数: 20

約数和(自身を含む): 36610380

約数和(自身を除く): 17788988

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4373, 8746, 17492, 34984, 69968, 1176337, 2352674, 4705348, 9410696, 18821392]

約数ペア:

[(1, 18821392), (2, 9410696), (4, 4705348), (8, 2352674), (16, 1176337), (269, 69968), (538, 34984), (1076, 17492), (2152, 8746), (4304, 4373)]