19815669

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 29719872

約数和(自身を除く): 9904203

約数列:

[1, 3, 9, 41, 83, 123, 249, 369, 647, 747, 1941, 3403, 5823, 10209, 26527, 30627, 53701, 79581, 161103, 238743, 483309, 2201741, 6605223, 19815669]

約数ペア:

[(1, 19815669), (3, 6605223), (9, 2201741), (41, 483309), (83, 238743), (123, 161103), (249, 79581), (369, 53701), (647, 30627), (747, 26527), (1941, 10209), (3403, 5823)]