19666361

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 23716800

約数和(自身を除く): 4050439

約数列:

[1, 11, 13, 71, 143, 149, 169, 781, 923, 1639, 1859, 1937, 10153, 10579, 11999, 21307, 25181, 116369, 131989, 137527, 276991, 1512797, 1787851, 19666361]

約数ペア:

[(1, 19666361), (11, 1787851), (13, 1512797), (71, 276991), (143, 137527), (149, 131989), (169, 116369), (781, 25181), (923, 21307), (1639, 11999), (1859, 10579), (1937, 10153)]