18005122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2381}}^1$

素因数の和:2601

約数の個数: 16

約数和(自身を含む): 28584000

約数和(自身を除く): 10578878

約数列:

[1, 2, 19, 38, 199, 398, 2381, 3781, 4762, 7562, 45239, 90478, 473819, 947638, 9002561, 18005122]

約数ペア:

[(1, 18005122), (2, 9002561), (19, 947638), (38, 473819), (199, 90478), (398, 45239), (2381, 7562), (3781, 4762)]