18920216

素因数分解:

$2^3\times 7^1\times {\mathrm{337861}}^1$

素因数の和:337874

約数の個数: 16

約数和(自身を含む): 40543440

約数和(自身を除く): 21623224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337861, 675722, 1351444, 2365027, 2702888, 4730054, 9460108, 18920216]

約数ペア:

[(1, 18920216), (2, 9460108), (4, 4730054), (7, 2702888), (8, 2365027), (14, 1351444), (28, 675722), (56, 337861)]