18419368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{209311}}^1$

素因数の和:209328

約数の個数: 16

約数和(自身を含む): 37676160

約数和(自身を除く): 19256792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 209311, 418622, 837244, 1674488, 2302421, 4604842, 9209684, 18419368]

約数ペア:

[(1, 18419368), (2, 9209684), (4, 4604842), (8, 2302421), (11, 1674488), (22, 837244), (44, 418622), (88, 209311)]