12808172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{18947}}^1$

素因数の和:18977

約数の個数: 18

約数和(自身を含む): 24272388

約数和(自身を除く): 11464216

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 18947, 37894, 75788, 246311, 492622, 985244, 3202043, 6404086, 12808172]

約数ペア:

[(1, 12808172), (2, 6404086), (4, 3202043), (13, 985244), (26, 492622), (52, 246311), (169, 75788), (338, 37894), (676, 18947)]