18700794

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 31618566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 81, 126, 138, 161, 162, 189, 207, 239, 243, 322, 378, 414, 478, 483, 486, 567, 621, 717, 966, 1134, 1242, 1434, 1449, 1673, 1701, 1863, 2151, 2898, 3346, 3402, 3726, 4302, 4347, 5019, 5497, 5589, 6453, 8694, 10038, 10994, 11178, 12906, 13041, 15057, 16491, 19359, 26082, 30114, 32982, 38479, 38718, 39123, 45171, 49473, 58077, 76958, 78246, 90342, 98946, 115437, 116154, 135513, 148419, 230874, 271026, 296838, 346311, 406539, 445257, 692622, 813078, 890514, 1038933, 1335771, 2077866, 2671542, 3116799, 6233598, 9350397, 18700794]

約数ペア:

[(1, 18700794), (2, 9350397), (3, 6233598), (6, 3116799), (7, 2671542), (9, 2077866), (14, 1335771), (18, 1038933), (21, 890514), (23, 813078), (27, 692622), (42, 445257), (46, 406539), (54, 346311), (63, 296838), (69, 271026), (81, 230874), (126, 148419), (138, 135513), (161, 116154), (162, 115437), (189, 98946), (207, 90342), (239, 78246), (243, 76958), (322, 58077), (378, 49473), (414, 45171), (478, 39123), (483, 38718), (486, 38479), (567, 32982), (621, 30114), (717, 26082), (966, 19359), (1134, 16491), (1242, 15057), (1434, 13041), (1449, 12906), (1673, 11178), (1701, 10994), (1863, 10038), (2151, 8694), (2898, 6453), (3346, 5589), (3402, 5497), (3726, 5019), (4302, 4347)]