19711233

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 29240640

約数和(自身を除く): 9529407

約数列:

[1, 3, 9, 71, 109, 213, 283, 327, 639, 849, 981, 2547, 7739, 20093, 23217, 30847, 60279, 69651, 92541, 180837, 277623, 2190137, 6570411, 19711233]

約数ペア:

[(1, 19711233), (3, 6570411), (9, 2190137), (71, 277623), (109, 180837), (213, 92541), (283, 69651), (327, 60279), (639, 30847), (849, 23217), (981, 20093), (2547, 7739)]