19600686

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 50257584

約数和(自身を除く): 30656898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 98, 126, 142, 147, 213, 294, 313, 426, 441, 497, 626, 639, 882, 939, 994, 1278, 1491, 1878, 2191, 2817, 2982, 3479, 4382, 4473, 5634, 6573, 6958, 8946, 10437, 13146, 15337, 19719, 20874, 22223, 30674, 31311, 39438, 44446, 46011, 62622, 66669, 92022, 133338, 138033, 155561, 200007, 276066, 311122, 400014, 466683, 933366, 1088927, 1400049, 2177854, 2800098, 3266781, 6533562, 9800343, 19600686]

約数ペア:

[(1, 19600686), (2, 9800343), (3, 6533562), (6, 3266781), (7, 2800098), (9, 2177854), (14, 1400049), (18, 1088927), (21, 933366), (42, 466683), (49, 400014), (63, 311122), (71, 276066), (98, 200007), (126, 155561), (142, 138033), (147, 133338), (213, 92022), (294, 66669), (313, 62622), (426, 46011), (441, 44446), (497, 39438), (626, 31311), (639, 30674), (882, 22223), (939, 20874), (994, 19719), (1278, 15337), (1491, 13146), (1878, 10437), (2191, 8946), (2817, 6958), (2982, 6573), (3479, 5634), (4382, 4473)]