19687629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^2$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 29940960

約数和(自身を除く): 10253331

約数列:

[1, 3, 13, 19, 39, 57, 163, 247, 489, 741, 2119, 3097, 6357, 9291, 26569, 40261, 79707, 120783, 345397, 504811, 1036191, 1514433, 6562543, 19687629]

約数ペア:

[(1, 19687629), (3, 6562543), (13, 1514433), (19, 1036191), (39, 504811), (57, 345397), (163, 120783), (247, 79707), (489, 40261), (741, 26569), (2119, 9291), (3097, 6357)]