19447857

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 36102528

約数和(自身を除く): 16654671

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 73, 81, 99, 117, 143, 207, 219, 253, 297, 299, 351, 429, 621, 657, 759, 803, 891, 897, 949, 1053, 1287, 1679, 1863, 1971, 2277, 2409, 2691, 2847, 3289, 3861, 5037, 5913, 6831, 7227, 8073, 8541, 9867, 10439, 11583, 15111, 18469, 20493, 21681, 21827, 24219, 25623, 29601, 31317, 45333, 55407, 65043, 65481, 76869, 88803, 93951, 135999, 166221, 196443, 240097, 266409, 281853, 498663, 589329, 720291, 845559, 1495989, 1767987, 2160873, 6482619, 19447857]

約数ペア:

[(1, 19447857), (3, 6482619), (9, 2160873), (11, 1767987), (13, 1495989), (23, 845559), (27, 720291), (33, 589329), (39, 498663), (69, 281853), (73, 266409), (81, 240097), (99, 196443), (117, 166221), (143, 135999), (207, 93951), (219, 88803), (253, 76869), (297, 65481), (299, 65043), (351, 55407), (429, 45333), (621, 31317), (657, 29601), (759, 25623), (803, 24219), (891, 21827), (897, 21681), (949, 20493), (1053, 18469), (1287, 15111), (1679, 11583), (1863, 10439), (1971, 9867), (2277, 8541), (2409, 8073), (2691, 7227), (2847, 6831), (3289, 5913), (3861, 5037)]