18900622

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 30963600

約数和(自身を除く): 12062978

約数列:

[1, 2, 13, 26, 169, 199, 281, 338, 398, 562, 2587, 3653, 5174, 7306, 33631, 47489, 55919, 67262, 94978, 111838, 726947, 1453894, 9450311, 18900622]

約数ペア:

[(1, 18900622), (2, 9450311), (13, 1453894), (26, 726947), (169, 111838), (199, 94978), (281, 67262), (338, 55919), (398, 47489), (562, 33631), (2587, 7306), (3653, 5174)]