18918144

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 70640640

約数和(自身を除く): 51722496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 23, 24, 27, 28, 32, 34, 36, 42, 46, 48, 51, 54, 56, 63, 64, 68, 69, 72, 84, 92, 96, 102, 108, 112, 119, 126, 128, 136, 138, 144, 153, 161, 168, 184, 189, 192, 204, 207, 216, 224, 238, 252, 256, 272, 276, 288, 306, 322, 336, 357, 368, 378, 384, 391, 408, 414, 432, 448, 459, 476, 483, 504, 544, 552, 576, 612, 621, 644, 672, 714, 736, 756, 768, 782, 816, 828, 864, 896, 918, 952, 966, 1008, 1071, 1088, 1104, 1152, 1173, 1224, 1242, 1288, 1344, 1428, 1449, 1472, 1512, 1564, 1632, 1656, 1728, 1792, 1836, 1904, 1932, 2016, 2142, 2176, 2208, 2304, 2346, 2448, 2484, 2576, 2688, 2737, 2856, 2898, 2944, 3024, 3128, 3213, 3264, 3312, 3456, 3519, 3672, 3808, 3864, 4032, 4284, 4347, 4352, 4416, 4692, 4896, 4968, 5152, 5376, 5474, 5712, 5796, 5888, 6048, 6256, 6426, 6528, 6624, 6912, 7038, 7344, 7616, 7728, 8064, 8211, 8568, 8694, 8832, 9384, 9792, 9936, 10304, 10557, 10948, 11424, 11592, 12096, 12512, 12852, 13056, 13248, 14076, 14688, 15232, 15456, 16128, 16422, 17136, 17388, 17664, 18768, 19584, 19872, 20608, 21114, 21896, 22848, 23184, 24192, 24633, 25024, 25704, 26496, 28152, 29376, 30464, 30912, 32844, 34272, 34776, 37536, 39168, 39744, 41216, 42228, 43792, 45696, 46368, 48384, 49266, 50048, 51408, 52992, 56304, 58752, 61824, 65688, 68544, 69552, 73899, 75072, 79488, 84456, 87584, 91392, 92736, 98532, 100096, 102816, 112608, 117504, 123648, 131376, 137088, 139104, 147798, 150144, 158976, 168912, 175168, 185472, 197064, 205632, 225216, 262752, 274176, 278208, 295596, 300288, 337824, 350336, 370944, 394128, 411264, 450432, 525504, 556416, 591192, 675648, 700672, 788256, 822528, 900864, 1051008, 1112832, 1182384, 1351296, 1576512, 2102016, 2364768, 2702592, 3153024, 4729536, 6306048, 9459072, 18918144]

約数ペア:

[(1, 18918144), (2, 9459072), (3, 6306048), (4, 4729536), (6, 3153024), (7, 2702592), (8, 2364768), (9, 2102016), (12, 1576512), (14, 1351296), (16, 1182384), (17, 1112832), (18, 1051008), (21, 900864), (23, 822528), (24, 788256), (27, 700672), (28, 675648), (32, 591192), (34, 556416), (36, 525504), (42, 450432), (46, 411264), (48, 394128), (51, 370944), (54, 350336), (56, 337824), (63, 300288), (64, 295596), (68, 278208), (69, 274176), (72, 262752), (84, 225216), (92, 205632), (96, 197064), (102, 185472), (108, 175168), (112, 168912), (119, 158976), (126, 150144), (128, 147798), (136, 139104), (138, 137088), (144, 131376), (153, 123648), (161, 117504), (168, 112608), (184, 102816), (189, 100096), (192, 98532), (204, 92736), (207, 91392), (216, 87584), (224, 84456), (238, 79488), (252, 75072), (256, 73899), (272, 69552), (276, 68544), (288, 65688), (306, 61824), (322, 58752), (336, 56304), (357, 52992), (368, 51408), (378, 50048), (384, 49266), (391, 48384), (408, 46368), (414, 45696), (432, 43792), (448, 42228), (459, 41216), (476, 39744), (483, 39168), (504, 37536), (544, 34776), (552, 34272), (576, 32844), (612, 30912), (621, 30464), (644, 29376), (672, 28152), (714, 26496), (736, 25704), (756, 25024), (768, 24633), (782, 24192), (816, 23184), (828, 22848), (864, 21896), (896, 21114), (918, 20608), (952, 19872), (966, 19584), (1008, 18768), (1071, 17664), (1088, 17388), (1104, 17136), (1152, 16422), (1173, 16128), (1224, 15456), (1242, 15232), (1288, 14688), (1344, 14076), (1428, 13248), (1449, 13056), (1472, 12852), (1512, 12512), (1564, 12096), (1632, 11592), (1656, 11424), (1728, 10948), (1792, 10557), (1836, 10304), (1904, 9936), (1932, 9792), (2016, 9384), (2142, 8832), (2176, 8694), (2208, 8568), (2304, 8211), (2346, 8064), (2448, 7728), (2484, 7616), (2576, 7344), (2688, 7038), (2737, 6912), (2856, 6624), (2898, 6528), (2944, 6426), (3024, 6256), (3128, 6048), (3213, 5888), (3264, 5796), (3312, 5712), (3456, 5474), (3519, 5376), (3672, 5152), (3808, 4968), (3864, 4896), (4032, 4692), (4284, 4416), (4347, 4352)]