18666648

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 70958160

約数和(自身を除く): 52291512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 28, 33, 36, 37, 39, 42, 44, 49, 52, 56, 63, 66, 72, 74, 77, 78, 84, 88, 91, 98, 99, 104, 111, 117, 126, 132, 143, 147, 148, 154, 156, 168, 182, 196, 198, 222, 231, 234, 252, 259, 264, 273, 286, 294, 296, 308, 312, 333, 364, 392, 396, 407, 429, 441, 444, 462, 468, 481, 504, 518, 539, 546, 572, 588, 616, 637, 666, 693, 728, 777, 792, 814, 819, 858, 882, 888, 924, 936, 962, 1001, 1036, 1078, 1092, 1144, 1176, 1221, 1274, 1287, 1332, 1386, 1443, 1554, 1617, 1628, 1638, 1716, 1764, 1813, 1848, 1911, 1924, 2002, 2072, 2156, 2184, 2331, 2442, 2548, 2574, 2664, 2772, 2849, 2886, 3003, 3108, 3234, 3256, 3276, 3367, 3432, 3528, 3626, 3663, 3822, 3848, 4004, 4312, 4329, 4662, 4851, 4884, 5096, 5148, 5291, 5439, 5544, 5698, 5733, 5772, 6006, 6216, 6468, 6552, 6734, 7007, 7252, 7326, 7644, 8008, 8547, 8658, 9009, 9324, 9702, 9768, 10101, 10296, 10582, 10878, 11396, 11466, 11544, 12012, 12936, 13468, 14014, 14504, 14652, 15288, 15873, 16317, 17094, 17316, 18018, 18648, 19404, 19943, 20202, 21021, 21164, 21756, 22792, 22932, 23569, 24024, 25641, 26936, 28028, 29304, 30303, 31746, 32634, 34188, 34632, 36036, 37037, 38808, 39886, 40404, 42042, 42328, 43512, 45864, 47138, 47619, 51282, 56056, 59829, 60606, 63063, 63492, 65268, 68376, 70707, 72072, 74074, 79772, 80808, 84084, 94276, 95238, 102564, 111111, 119658, 121212, 126126, 126984, 130536, 141414, 148148, 159544, 168168, 179487, 188552, 190476, 205128, 212121, 222222, 239316, 242424, 252252, 259259, 282828, 296296, 333333, 358974, 380952, 424242, 444444, 478632, 504504, 518518, 565656, 666666, 717948, 777777, 848484, 888888, 1037036, 1333332, 1435896, 1555554, 1696968, 2074072, 2333331, 2666664, 3111108, 4666662, 6222216, 9333324, 18666648]

約数ペア:

[(1, 18666648), (2, 9333324), (3, 6222216), (4, 4666662), (6, 3111108), (7, 2666664), (8, 2333331), (9, 2074072), (11, 1696968), (12, 1555554), (13, 1435896), (14, 1333332), (18, 1037036), (21, 888888), (22, 848484), (24, 777777), (26, 717948), (28, 666666), (33, 565656), (36, 518518), (37, 504504), (39, 478632), (42, 444444), (44, 424242), (49, 380952), (52, 358974), (56, 333333), (63, 296296), (66, 282828), (72, 259259), (74, 252252), (77, 242424), (78, 239316), (84, 222222), (88, 212121), (91, 205128), (98, 190476), (99, 188552), (104, 179487), (111, 168168), (117, 159544), (126, 148148), (132, 141414), (143, 130536), (147, 126984), (148, 126126), (154, 121212), (156, 119658), (168, 111111), (182, 102564), (196, 95238), (198, 94276), (222, 84084), (231, 80808), (234, 79772), (252, 74074), (259, 72072), (264, 70707), (273, 68376), (286, 65268), (294, 63492), (296, 63063), (308, 60606), (312, 59829), (333, 56056), (364, 51282), (392, 47619), (396, 47138), (407, 45864), (429, 43512), (441, 42328), (444, 42042), (462, 40404), (468, 39886), (481, 38808), (504, 37037), (518, 36036), (539, 34632), (546, 34188), (572, 32634), (588, 31746), (616, 30303), (637, 29304), (666, 28028), (693, 26936), (728, 25641), (777, 24024), (792, 23569), (814, 22932), (819, 22792), (858, 21756), (882, 21164), (888, 21021), (924, 20202), (936, 19943), (962, 19404), (1001, 18648), (1036, 18018), (1078, 17316), (1092, 17094), (1144, 16317), (1176, 15873), (1221, 15288), (1274, 14652), (1287, 14504), (1332, 14014), (1386, 13468), (1443, 12936), (1554, 12012), (1617, 11544), (1628, 11466), (1638, 11396), (1716, 10878), (1764, 10582), (1813, 10296), (1848, 10101), (1911, 9768), (1924, 9702), (2002, 9324), (2072, 9009), (2156, 8658), (2184, 8547), (2331, 8008), (2442, 7644), (2548, 7326), (2574, 7252), (2664, 7007), (2772, 6734), (2849, 6552), (2886, 6468), (3003, 6216), (3108, 6006), (3234, 5772), (3256, 5733), (3276, 5698), (3367, 5544), (3432, 5439), (3528, 5291), (3626, 5148), (3663, 5096), (3822, 4884), (3848, 4851), (4004, 4662), (4312, 4329)]