18038216

素因数分解:

$2^3\times 7^1\times {\mathrm{322111}}^1$

素因数の和:322124

約数の個数: 16

約数和(自身を含む): 38653440

約数和(自身を除く): 20615224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 322111, 644222, 1288444, 2254777, 2576888, 4509554, 9019108, 18038216]

約数ペア:

[(1, 18038216), (2, 9019108), (4, 4509554), (7, 2576888), (8, 2254777), (14, 1288444), (28, 644222), (56, 322111)]