19747413

素因数分解:

$3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{677}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 32717568

約数和(自身を除く): 12970155

約数列:

[1, 3, 7, 9, 21, 63, 463, 677, 1389, 2031, 3241, 4167, 4739, 6093, 9723, 14217, 29169, 42651, 313451, 940353, 2194157, 2821059, 6582471, 19747413]

約数ペア:

[(1, 19747413), (3, 6582471), (7, 2821059), (9, 2194157), (21, 940353), (63, 313451), (463, 42651), (677, 29169), (1389, 14217), (2031, 9723), (3241, 6093), (4167, 4739)]