18985824

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 63567504

約数和(自身を除く): 44581680

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 288, 312, 352, 396, 416, 429, 461, 468, 528, 572, 624, 792, 858, 922, 936, 1056, 1144, 1248, 1287, 1383, 1584, 1716, 1844, 1872, 2288, 2574, 2766, 3168, 3432, 3688, 3744, 4149, 4576, 5071, 5148, 5532, 5993, 6864, 7376, 8298, 10142, 10296, 11064, 11986, 13728, 14752, 15213, 16596, 17979, 20284, 20592, 22128, 23972, 30426, 33192, 35958, 40568, 41184, 44256, 45639, 47944, 53937, 60852, 65923, 66384, 71916, 81136, 91278, 95888, 107874, 121704, 131846, 132768, 143832, 162272, 182556, 191776, 197769, 215748, 243408, 263692, 287664, 365112, 395538, 431496, 486816, 527384, 575328, 593307, 730224, 791076, 862992, 1054768, 1186614, 1460448, 1582152, 1725984, 2109536, 2373228, 3164304, 4746456, 6328608, 9492912, 18985824]

約数ペア:

[(1, 18985824), (2, 9492912), (3, 6328608), (4, 4746456), (6, 3164304), (8, 2373228), (9, 2109536), (11, 1725984), (12, 1582152), (13, 1460448), (16, 1186614), (18, 1054768), (22, 862992), (24, 791076), (26, 730224), (32, 593307), (33, 575328), (36, 527384), (39, 486816), (44, 431496), (48, 395538), (52, 365112), (66, 287664), (72, 263692), (78, 243408), (88, 215748), (96, 197769), (99, 191776), (104, 182556), (117, 162272), (132, 143832), (143, 132768), (144, 131846), (156, 121704), (176, 107874), (198, 95888), (208, 91278), (234, 81136), (264, 71916), (286, 66384), (288, 65923), (312, 60852), (352, 53937), (396, 47944), (416, 45639), (429, 44256), (461, 41184), (468, 40568), (528, 35958), (572, 33192), (624, 30426), (792, 23972), (858, 22128), (922, 20592), (936, 20284), (1056, 17979), (1144, 16596), (1248, 15213), (1287, 14752), (1383, 13728), (1584, 11986), (1716, 11064), (1844, 10296), (1872, 10142), (2288, 8298), (2574, 7376), (2766, 6864), (3168, 5993), (3432, 5532), (3688, 5148), (3744, 5071), (4149, 4576)]