18047792

素因数分解:

$2^4\times 7^1\times {\mathrm{161141}}^1$

素因数の和:161156

約数の個数: 20

約数和(自身を含む): 39963216

約数和(自身を除く): 21915424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161141, 322282, 644564, 1127987, 1289128, 2255974, 2578256, 4511948, 9023896, 18047792]

約数ペア:

[(1, 18047792), (2, 9023896), (4, 4511948), (7, 2578256), (8, 2255974), (14, 1289128), (16, 1127987), (28, 644564), (56, 322282), (112, 161141)]