18889920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{937}}^1$

素因数の和:967

約数の個数: 168

約数和(自身を含む): 74334624

約数和(自身を除く): 55444704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 937, 960, 1008, 1120, 1260, 1344, 1440, 1680, 1874, 2016, 2240, 2520, 2811, 2880, 3360, 3748, 4032, 4685, 5040, 5622, 6559, 6720, 7496, 8433, 9370, 10080, 11244, 13118, 14055, 14992, 16866, 18740, 19677, 20160, 22488, 26236, 28110, 29984, 32795, 33732, 37480, 39354, 42165, 44976, 52472, 56220, 59031, 59968, 65590, 67464, 74960, 78708, 84330, 89952, 98385, 104944, 112440, 118062, 131180, 134928, 149920, 157416, 168660, 179904, 196770, 209888, 224880, 236124, 262360, 269856, 295155, 299840, 314832, 337320, 393540, 419776, 449760, 472248, 524720, 539712, 590310, 629664, 674640, 787080, 899520, 944496, 1049440, 1180620, 1259328, 1349280, 1574160, 1888992, 2098880, 2361240, 2698560, 3148320, 3777984, 4722480, 6296640, 9444960, 18889920]

約数ペア:

[(1, 18889920), (2, 9444960), (3, 6296640), (4, 4722480), (5, 3777984), (6, 3148320), (7, 2698560), (8, 2361240), (9, 2098880), (10, 1888992), (12, 1574160), (14, 1349280), (15, 1259328), (16, 1180620), (18, 1049440), (20, 944496), (21, 899520), (24, 787080), (28, 674640), (30, 629664), (32, 590310), (35, 539712), (36, 524720), (40, 472248), (42, 449760), (45, 419776), (48, 393540), (56, 337320), (60, 314832), (63, 299840), (64, 295155), (70, 269856), (72, 262360), (80, 236124), (84, 224880), (90, 209888), (96, 196770), (105, 179904), (112, 168660), (120, 157416), (126, 149920), (140, 134928), (144, 131180), (160, 118062), (168, 112440), (180, 104944), (192, 98385), (210, 89952), (224, 84330), (240, 78708), (252, 74960), (280, 67464), (288, 65590), (315, 59968), (320, 59031), (336, 56220), (360, 52472), (420, 44976), (448, 42165), (480, 39354), (504, 37480), (560, 33732), (576, 32795), (630, 29984), (672, 28110), (720, 26236), (840, 22488), (937, 20160), (960, 19677), (1008, 18740), (1120, 16866), (1260, 14992), (1344, 14055), (1440, 13118), (1680, 11244), (1874, 10080), (2016, 9370), (2240, 8433), (2520, 7496), (2811, 6720), (2880, 6559), (3360, 5622), (3748, 5040), (4032, 4685)]