19287177

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 34062336

約数和(自身を除く): 14775159

約数列:

[1, 3, 7, 13, 21, 31, 39, 43, 53, 91, 93, 129, 159, 217, 273, 301, 371, 403, 559, 651, 689, 903, 1113, 1209, 1333, 1643, 1677, 2067, 2279, 2821, 3913, 3999, 4823, 4929, 6837, 8463, 9331, 11501, 11739, 14469, 15953, 17329, 21359, 27993, 29627, 34503, 47859, 51987, 64077, 70649, 88881, 121303, 149513, 207389, 211947, 363909, 448539, 494543, 622167, 918437, 1483629, 2755311, 6429059, 19287177]

約数ペア:

[(1, 19287177), (3, 6429059), (7, 2755311), (13, 1483629), (21, 918437), (31, 622167), (39, 494543), (43, 448539), (53, 363909), (91, 211947), (93, 207389), (129, 149513), (159, 121303), (217, 88881), (273, 70649), (301, 64077), (371, 51987), (403, 47859), (559, 34503), (651, 29627), (689, 27993), (903, 21359), (1113, 17329), (1209, 15953), (1333, 14469), (1643, 11739), (1677, 11501), (2067, 9331), (2279, 8463), (2821, 6837), (3913, 4929), (3999, 4823)]