19958526

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 32876802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 71, 97, 126, 138, 142, 161, 194, 207, 213, 291, 322, 414, 426, 483, 497, 582, 639, 679, 873, 966, 994, 1278, 1358, 1449, 1491, 1633, 1746, 2037, 2231, 2898, 2982, 3266, 4074, 4462, 4473, 4899, 6111, 6693, 6887, 8946, 9798, 11431, 12222, 13386, 13774, 14697, 15617, 20079, 20661, 22862, 29394, 31234, 34293, 40158, 41322, 46851, 48209, 61983, 68586, 93702, 96418, 102879, 123966, 140553, 144627, 158401, 205758, 281106, 289254, 316802, 433881, 475203, 867762, 950406, 1108807, 1425609, 2217614, 2851218, 3326421, 6652842, 9979263, 19958526]

約数ペア:

[(1, 19958526), (2, 9979263), (3, 6652842), (6, 3326421), (7, 2851218), (9, 2217614), (14, 1425609), (18, 1108807), (21, 950406), (23, 867762), (42, 475203), (46, 433881), (63, 316802), (69, 289254), (71, 281106), (97, 205758), (126, 158401), (138, 144627), (142, 140553), (161, 123966), (194, 102879), (207, 96418), (213, 93702), (291, 68586), (322, 61983), (414, 48209), (426, 46851), (483, 41322), (497, 40158), (582, 34293), (639, 31234), (679, 29394), (873, 22862), (966, 20661), (994, 20079), (1278, 15617), (1358, 14697), (1449, 13774), (1491, 13386), (1633, 12222), (1746, 11431), (2037, 9798), (2231, 8946), (2898, 6887), (2982, 6693), (3266, 6111), (4074, 4899), (4462, 4473)]