18986722

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:450

約数の個数: 24

約数和(自身を含む): 30636144

約数和(自身を除く): 11649422

約数列:

[1, 2, 17, 34, 107, 214, 289, 307, 578, 614, 1819, 3638, 5219, 10438, 30923, 32849, 61846, 65698, 88723, 177446, 558433, 1116866, 9493361, 18986722]

約数ペア:

[(1, 18986722), (2, 9493361), (17, 1116866), (34, 558433), (107, 177446), (214, 88723), (289, 65698), (307, 61846), (578, 32849), (614, 30923), (1819, 10438), (3638, 5219)]