19691513751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1\times {\mathrm{1987}}^1$

素因数の和:3212

約数の個数: 64

約数和(自身を含む): 33401962496

約数和(自身を除く): 13710448745

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1171, 1209, 1987, 2821, 3513, 5961, 8197, 8463, 13909, 15223, 24591, 25831, 36301, 41727, 45669, 61597, 77493, 106561, 108903, 180817, 184791, 254107, 319683, 431179, 471913, 542451, 762321, 800761, 1293537, 1415739, 2326777, 2402283, 3303391, 5605327, 6980331, 9910173, 16287439, 16815981, 30248101, 48862317, 72130087, 90744303, 211736707, 216390261, 504910609, 635210121, 937691131, 1514731827, 2813073393, 6563837917, 19691513751]

約数ペア:

[(1, 19691513751), (3, 6563837917), (7, 2813073393), (13, 1514731827), (21, 937691131), (31, 635210121), (39, 504910609), (91, 216390261), (93, 211736707), (217, 90744303), (273, 72130087), (403, 48862317), (651, 30248101), (1171, 16815981), (1209, 16287439), (1987, 9910173), (2821, 6980331), (3513, 5605327), (5961, 3303391), (8197, 2402283), (8463, 2326777), (13909, 1415739), (15223, 1293537), (24591, 800761), (25831, 762321), (36301, 542451), (41727, 471913), (45669, 431179), (61597, 319683), (77493, 254107), (106561, 184791), (108903, 180817)]