18216828

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 108

約数和(自身を含む): 56019600

約数和(自身を除く): 37802772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 449, 483, 588, 644, 828, 882, 898, 966, 1127, 1347, 1449, 1764, 1796, 1932, 2254, 2694, 2898, 3143, 3381, 4041, 4508, 5388, 5796, 6286, 6762, 8082, 9429, 10143, 10327, 12572, 13524, 16164, 18858, 20286, 20654, 22001, 28287, 30981, 37716, 40572, 41308, 44002, 56574, 61962, 66003, 72289, 88004, 92943, 113148, 123924, 132006, 144578, 185886, 198009, 216867, 264012, 289156, 371772, 396018, 433734, 506023, 650601, 792036, 867468, 1012046, 1301202, 1518069, 2024092, 2602404, 3036138, 4554207, 6072276, 9108414, 18216828]

約数ペア:

[(1, 18216828), (2, 9108414), (3, 6072276), (4, 4554207), (6, 3036138), (7, 2602404), (9, 2024092), (12, 1518069), (14, 1301202), (18, 1012046), (21, 867468), (23, 792036), (28, 650601), (36, 506023), (42, 433734), (46, 396018), (49, 371772), (63, 289156), (69, 264012), (84, 216867), (92, 198009), (98, 185886), (126, 144578), (138, 132006), (147, 123924), (161, 113148), (196, 92943), (207, 88004), (252, 72289), (276, 66003), (294, 61962), (322, 56574), (414, 44002), (441, 41308), (449, 40572), (483, 37716), (588, 30981), (644, 28287), (828, 22001), (882, 20654), (898, 20286), (966, 18858), (1127, 16164), (1347, 13524), (1449, 12572), (1764, 10327), (1796, 10143), (1932, 9429), (2254, 8082), (2694, 6762), (2898, 6286), (3143, 5796), (3381, 5388), (4041, 4508)]