18940432

素因数分解:

$2^4\times 7^1\times {\mathrm{169111}}^1$

素因数の和:169126

約数の個数: 20

約数和(自身を含む): 41939776

約数和(自身を除く): 22999344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169111, 338222, 676444, 1183777, 1352888, 2367554, 2705776, 4735108, 9470216, 18940432]

約数ペア:

[(1, 18940432), (2, 9470216), (4, 4735108), (7, 2705776), (8, 2367554), (14, 1352888), (16, 1183777), (28, 676444), (56, 338222), (112, 169111)]