19168578

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 49235004

約数和(自身を除く): 30066426

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 677, 726, 858, 1089, 1287, 1354, 1573, 2031, 2178, 2574, 3146, 4062, 4719, 6093, 7447, 8801, 9438, 12186, 14157, 14894, 17602, 22341, 26403, 28314, 44682, 52806, 67023, 79209, 81917, 96811, 134046, 158418, 163834, 193622, 245751, 290433, 491502, 580866, 737253, 871299, 1064921, 1474506, 1742598, 2129842, 3194763, 6389526, 9584289, 19168578]

約数ペア:

[(1, 19168578), (2, 9584289), (3, 6389526), (6, 3194763), (9, 2129842), (11, 1742598), (13, 1474506), (18, 1064921), (22, 871299), (26, 737253), (33, 580866), (39, 491502), (66, 290433), (78, 245751), (99, 193622), (117, 163834), (121, 158418), (143, 134046), (198, 96811), (234, 81917), (242, 79209), (286, 67023), (363, 52806), (429, 44682), (677, 28314), (726, 26403), (858, 22341), (1089, 17602), (1287, 14894), (1354, 14157), (1573, 12186), (2031, 9438), (2178, 8801), (2574, 7447), (3146, 6093), (4062, 4719)]