18528018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 41140224

約数和(自身を除く): 22612206

約数列:

[1, 2, 3, 6, 23, 31, 46, 61, 62, 69, 71, 93, 122, 138, 142, 183, 186, 213, 366, 426, 713, 1403, 1426, 1633, 1891, 2139, 2201, 2806, 3266, 3782, 4209, 4278, 4331, 4402, 4899, 5673, 6603, 8418, 8662, 9798, 11346, 12993, 13206, 25986, 43493, 50623, 86986, 99613, 101246, 130479, 134261, 151869, 199226, 260958, 268522, 298839, 303738, 402783, 597678, 805566, 3088003, 6176006, 9264009, 18528018]

約数ペア:

[(1, 18528018), (2, 9264009), (3, 6176006), (6, 3088003), (23, 805566), (31, 597678), (46, 402783), (61, 303738), (62, 298839), (69, 268522), (71, 260958), (93, 199226), (122, 151869), (138, 134261), (142, 130479), (183, 101246), (186, 99613), (213, 86986), (366, 50623), (426, 43493), (713, 25986), (1403, 13206), (1426, 12993), (1633, 11346), (1891, 9798), (2139, 8662), (2201, 8418), (2806, 6603), (3266, 5673), (3782, 4899), (4209, 4402), (4278, 4331)]