18940680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4783}}^1$

素因数の和:4811

約数の個数: 96

約数和(自身を含む): 67167360

約数和(自身を除く): 48226680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4783, 9566, 14349, 19132, 23915, 28698, 38264, 43047, 47830, 52613, 57396, 71745, 86094, 95660, 105226, 114792, 143490, 157839, 172188, 191320, 210452, 215235, 263065, 286980, 315678, 344376, 420904, 430470, 473517, 526130, 573960, 631356, 789195, 860940, 947034, 1052260, 1262712, 1578390, 1721880, 1894068, 2104520, 2367585, 3156780, 3788136, 4735170, 6313560, 9470340, 18940680]

約数ペア:

[(1, 18940680), (2, 9470340), (3, 6313560), (4, 4735170), (5, 3788136), (6, 3156780), (8, 2367585), (9, 2104520), (10, 1894068), (11, 1721880), (12, 1578390), (15, 1262712), (18, 1052260), (20, 947034), (22, 860940), (24, 789195), (30, 631356), (33, 573960), (36, 526130), (40, 473517), (44, 430470), (45, 420904), (55, 344376), (60, 315678), (66, 286980), (72, 263065), (88, 215235), (90, 210452), (99, 191320), (110, 172188), (120, 157839), (132, 143490), (165, 114792), (180, 105226), (198, 95660), (220, 86094), (264, 71745), (330, 57396), (360, 52613), (396, 47830), (440, 43047), (495, 38264), (660, 28698), (792, 23915), (990, 19132), (1320, 14349), (1980, 9566), (3960, 4783)]