18867912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 59443200

約数和(自身を除く): 40575288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 23, 24, 28, 38, 42, 46, 56, 57, 69, 76, 84, 92, 114, 133, 138, 152, 161, 168, 184, 228, 257, 266, 276, 322, 399, 437, 456, 483, 514, 532, 552, 644, 771, 798, 874, 966, 1028, 1064, 1288, 1311, 1542, 1596, 1748, 1799, 1932, 2056, 2622, 3059, 3084, 3192, 3496, 3598, 3864, 4883, 5244, 5397, 5911, 6118, 6168, 7196, 9177, 9766, 10488, 10794, 11822, 12236, 14392, 14649, 17733, 18354, 19532, 21588, 23644, 24472, 29298, 34181, 35466, 36708, 39064, 41377, 43176, 47288, 58596, 68362, 70932, 73416, 82754, 102543, 112309, 117192, 124131, 136724, 141864, 165508, 205086, 224618, 248262, 273448, 331016, 336927, 410172, 449236, 496524, 673854, 786163, 820344, 898472, 993048, 1347708, 1572326, 2358489, 2695416, 3144652, 4716978, 6289304, 9433956, 18867912]

約数ペア:

[(1, 18867912), (2, 9433956), (3, 6289304), (4, 4716978), (6, 3144652), (7, 2695416), (8, 2358489), (12, 1572326), (14, 1347708), (19, 993048), (21, 898472), (23, 820344), (24, 786163), (28, 673854), (38, 496524), (42, 449236), (46, 410172), (56, 336927), (57, 331016), (69, 273448), (76, 248262), (84, 224618), (92, 205086), (114, 165508), (133, 141864), (138, 136724), (152, 124131), (161, 117192), (168, 112309), (184, 102543), (228, 82754), (257, 73416), (266, 70932), (276, 68362), (322, 58596), (399, 47288), (437, 43176), (456, 41377), (483, 39064), (514, 36708), (532, 35466), (552, 34181), (644, 29298), (771, 24472), (798, 23644), (874, 21588), (966, 19532), (1028, 18354), (1064, 17733), (1288, 14649), (1311, 14392), (1542, 12236), (1596, 11822), (1748, 10794), (1799, 10488), (1932, 9766), (2056, 9177), (2622, 7196), (3059, 6168), (3084, 6118), (3192, 5911), (3496, 5397), (3598, 5244), (3864, 4883)]