13078672

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19937}}^1$

素因数の和:19986

約数の個数: 20

約数和(自身を含む): 25959276

約数和(自身を除く): 12880604

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19937, 39874, 79748, 159496, 318992, 817417, 1634834, 3269668, 6539336, 13078672]

約数ペア:

[(1, 13078672), (2, 6539336), (4, 3269668), (8, 1634834), (16, 817417), (41, 318992), (82, 159496), (164, 79748), (328, 39874), (656, 19937)]