18065936

素因数分解:

$2^4\times 7^1\times {\mathrm{161303}}^1$

素因数の和:161318

約数の個数: 20

約数和(自身を含む): 40003392

約数和(自身を除く): 21937456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161303, 322606, 645212, 1129121, 1290424, 2258242, 2580848, 4516484, 9032968, 18065936]

約数ペア:

[(1, 18065936), (2, 9032968), (4, 4516484), (7, 2580848), (8, 2258242), (14, 1290424), (16, 1129121), (28, 645212), (56, 322606), (112, 161303)]