18909016

素因数分解:

$2^3\times 7^1\times {\mathrm{337661}}^1$

素因数の和:337674

約数の個数: 16

約数和(自身を含む): 40519440

約数和(自身を除く): 21610424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337661, 675322, 1350644, 2363627, 2701288, 4727254, 9454508, 18909016]

約数ペア:

[(1, 18909016), (2, 9454508), (4, 4727254), (7, 2701288), (8, 2363627), (14, 1350644), (28, 675322), (56, 337661)]