19823760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2503}}^1$

素因数の和:2533

約数の個数: 120

約数和(自身を含む): 72656064

約数和(自身を除く): 52832304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2503, 2640, 3960, 5006, 7509, 7920, 10012, 12515, 15018, 20024, 22527, 25030, 27533, 30036, 37545, 40048, 45054, 50060, 55066, 60072, 75090, 82599, 90108, 100120, 110132, 112635, 120144, 137665, 150180, 165198, 180216, 200240, 220264, 225270, 247797, 275330, 300360, 330396, 360432, 412995, 440528, 450540, 495594, 550660, 600720, 660792, 825990, 901080, 991188, 1101320, 1238985, 1321584, 1651980, 1802160, 1982376, 2202640, 2477970, 3303960, 3964752, 4955940, 6607920, 9911880, 19823760]

約数ペア:

[(1, 19823760), (2, 9911880), (3, 6607920), (4, 4955940), (5, 3964752), (6, 3303960), (8, 2477970), (9, 2202640), (10, 1982376), (11, 1802160), (12, 1651980), (15, 1321584), (16, 1238985), (18, 1101320), (20, 991188), (22, 901080), (24, 825990), (30, 660792), (33, 600720), (36, 550660), (40, 495594), (44, 450540), (45, 440528), (48, 412995), (55, 360432), (60, 330396), (66, 300360), (72, 275330), (80, 247797), (88, 225270), (90, 220264), (99, 200240), (110, 180216), (120, 165198), (132, 150180), (144, 137665), (165, 120144), (176, 112635), (180, 110132), (198, 100120), (220, 90108), (240, 82599), (264, 75090), (330, 60072), (360, 55066), (396, 50060), (440, 45054), (495, 40048), (528, 37545), (660, 30036), (720, 27533), (792, 25030), (880, 22527), (990, 20024), (1320, 15018), (1584, 12515), (1980, 10012), (2503, 7920), (2640, 7509), (3960, 5006)]