18019638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 52147200

約数和(自身を除く): 34127562

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 193, 234, 247, 266, 273, 342, 351, 378, 386, 399, 494, 513, 546, 579, 702, 741, 798, 819, 1026, 1158, 1197, 1351, 1482, 1638, 1729, 1737, 2223, 2394, 2457, 2509, 2702, 3458, 3474, 3591, 3667, 4053, 4446, 4914, 5018, 5187, 5211, 6669, 7182, 7334, 7527, 8106, 10374, 10422, 11001, 12159, 13338, 15054, 15561, 17563, 22002, 22581, 24318, 25669, 31122, 33003, 35126, 36477, 45162, 46683, 47671, 51338, 52689, 66006, 67743, 72954, 77007, 93366, 95342, 99009, 105378, 135486, 143013, 154014, 158067, 198018, 231021, 286026, 316134, 333697, 429039, 462042, 474201, 667394, 693063, 858078, 948402, 1001091, 1287117, 1386126, 2002182, 2574234, 3003273, 6006546, 9009819, 18019638]

約数ペア:

[(1, 18019638), (2, 9009819), (3, 6006546), (6, 3003273), (7, 2574234), (9, 2002182), (13, 1386126), (14, 1287117), (18, 1001091), (19, 948402), (21, 858078), (26, 693063), (27, 667394), (38, 474201), (39, 462042), (42, 429039), (54, 333697), (57, 316134), (63, 286026), (78, 231021), (91, 198018), (114, 158067), (117, 154014), (126, 143013), (133, 135486), (171, 105378), (182, 99009), (189, 95342), (193, 93366), (234, 77007), (247, 72954), (266, 67743), (273, 66006), (342, 52689), (351, 51338), (378, 47671), (386, 46683), (399, 45162), (494, 36477), (513, 35126), (546, 33003), (579, 31122), (702, 25669), (741, 24318), (798, 22581), (819, 22002), (1026, 17563), (1158, 15561), (1197, 15054), (1351, 13338), (1482, 12159), (1638, 11001), (1729, 10422), (1737, 10374), (2223, 8106), (2394, 7527), (2457, 7334), (2509, 7182), (2702, 6669), (3458, 5211), (3474, 5187), (3591, 5018), (3667, 4914), (4053, 4446)]