19733259

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 33963776

約数和(自身を除く): 14230517

約数列:

[1, 3, 7, 13, 21, 39, 41, 43, 91, 123, 129, 273, 287, 301, 533, 559, 861, 903, 1599, 1677, 1681, 1763, 3731, 3913, 5043, 5289, 11193, 11739, 11767, 12341, 21853, 22919, 35301, 37023, 65559, 68757, 72283, 152971, 160433, 216849, 458913, 481299, 505981, 939679, 1517943, 2819037, 6577753, 19733259]

約数ペア:

[(1, 19733259), (3, 6577753), (7, 2819037), (13, 1517943), (21, 939679), (39, 505981), (41, 481299), (43, 458913), (91, 216849), (123, 160433), (129, 152971), (273, 72283), (287, 68757), (301, 65559), (533, 37023), (559, 35301), (861, 22919), (903, 21853), (1599, 12341), (1677, 11767), (1681, 11739), (1763, 11193), (3731, 5289), (3913, 5043)]