2019201858

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{6763}}^1$

素因数の和:6893

約数の個数: 80

約数和(自身を含む): 4812450720

約数和(自身を除く): 2793248862

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 97, 114, 162, 171, 194, 291, 342, 513, 582, 873, 1026, 1539, 1746, 1843, 2619, 3078, 3686, 5238, 5529, 6763, 7857, 11058, 13526, 15714, 16587, 20289, 33174, 40578, 49761, 60867, 99522, 121734, 128497, 149283, 182601, 256994, 298566, 365202, 385491, 547803, 656011, 770982, 1095606, 1156473, 1312022, 1968033, 2312946, 3469419, 3936066, 5904099, 6938838, 10408257, 11808198, 12464209, 17712297, 20816514, 24928418, 35424594, 37392627, 53136891, 74785254, 106273782, 112177881, 224355762, 336533643, 673067286, 1009600929, 2019201858]

約数ペア:

[(1, 2019201858), (2, 1009600929), (3, 673067286), (6, 336533643), (9, 224355762), (18, 112177881), (19, 106273782), (27, 74785254), (38, 53136891), (54, 37392627), (57, 35424594), (81, 24928418), (97, 20816514), (114, 17712297), (162, 12464209), (171, 11808198), (194, 10408257), (291, 6938838), (342, 5904099), (513, 3936066), (582, 3469419), (873, 2312946), (1026, 1968033), (1539, 1312022), (1746, 1156473), (1843, 1095606), (2619, 770982), (3078, 656011), (3686, 547803), (5238, 385491), (5529, 365202), (6763, 298566), (7857, 256994), (11058, 182601), (13526, 149283), (15714, 128497), (16587, 121734), (20289, 99522), (33174, 60867), (40578, 49761)]