18986876

素因数分解:

$2^2\times {\mathrm{1097}}^1\times {\mathrm{4327}}^1$

素因数の和:5428

約数の個数: 12

約数和(自身を含む): 33265008

約数和(自身を除く): 14278132

約数列:

[1, 2, 4, 1097, 2194, 4327, 4388, 8654, 17308, 4746719, 9493438, 18986876]

約数ペア:

[(1, 18986876), (2, 9493438), (4, 4746719), (1097, 17308), (2194, 8654), (4327, 4388)]