19610865

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3181}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 34251048

約数和(自身を除く): 14640183

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3181, 6165, 9543, 15905, 28629, 47715, 143145, 435797, 1307391, 2178985, 3922173, 6536955, 19610865]

約数ペア:

[(1, 19610865), (3, 6536955), (5, 3922173), (9, 2178985), (15, 1307391), (45, 435797), (137, 143145), (411, 47715), (685, 28629), (1233, 15905), (2055, 9543), (3181, 6165)]