19680309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 31168800

約数和(自身を除く): 11488491

約数列:

[1, 3, 9, 11, 33, 99, 269, 739, 807, 2217, 2421, 2959, 6651, 8129, 8877, 24387, 26631, 73161, 198791, 596373, 1789119, 2186701, 6560103, 19680309]

約数ペア:

[(1, 19680309), (3, 6560103), (9, 2186701), (11, 1789119), (33, 596373), (99, 198791), (269, 73161), (739, 26631), (807, 24387), (2217, 8877), (2421, 8129), (2959, 6651)]