19693440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 73513440

約数和(自身を除く): 53820000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 263, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 526, 576, 585, 624, 640, 720, 780, 789, 832, 936, 960, 1040, 1052, 1152, 1170, 1248, 1315, 1440, 1560, 1578, 1664, 1872, 1920, 2080, 2104, 2340, 2367, 2496, 2630, 2880, 3120, 3156, 3419, 3744, 3945, 4160, 4208, 4680, 4734, 4992, 5260, 5760, 6240, 6312, 6838, 7488, 7890, 8320, 8416, 9360, 9468, 10257, 10520, 11835, 12480, 12624, 13676, 14976, 15780, 16832, 17095, 18720, 18936, 20514, 21040, 23670, 24960, 25248, 27352, 30771, 31560, 33664, 34190, 37440, 37872, 41028, 42080, 47340, 50496, 51285, 54704, 61542, 63120, 68380, 74880, 75744, 82056, 84160, 94680, 100992, 102570, 109408, 123084, 126240, 136760, 151488, 153855, 164112, 168320, 189360, 205140, 218816, 246168, 252480, 273520, 302976, 307710, 328224, 378720, 410280, 437632, 492336, 504960, 547040, 615420, 656448, 757440, 820560, 984672, 1094080, 1230840, 1312896, 1514880, 1641120, 1969344, 2188160, 2461680, 3282240, 3938688, 4923360, 6564480, 9846720, 19693440]

約数ペア:

[(1, 19693440), (2, 9846720), (3, 6564480), (4, 4923360), (5, 3938688), (6, 3282240), (8, 2461680), (9, 2188160), (10, 1969344), (12, 1641120), (13, 1514880), (15, 1312896), (16, 1230840), (18, 1094080), (20, 984672), (24, 820560), (26, 757440), (30, 656448), (32, 615420), (36, 547040), (39, 504960), (40, 492336), (45, 437632), (48, 410280), (52, 378720), (60, 328224), (64, 307710), (65, 302976), (72, 273520), (78, 252480), (80, 246168), (90, 218816), (96, 205140), (104, 189360), (117, 168320), (120, 164112), (128, 153855), (130, 151488), (144, 136760), (156, 126240), (160, 123084), (180, 109408), (192, 102570), (195, 100992), (208, 94680), (234, 84160), (240, 82056), (260, 75744), (263, 74880), (288, 68380), (312, 63120), (320, 61542), (360, 54704), (384, 51285), (390, 50496), (416, 47340), (468, 42080), (480, 41028), (520, 37872), (526, 37440), (576, 34190), (585, 33664), (624, 31560), (640, 30771), (720, 27352), (780, 25248), (789, 24960), (832, 23670), (936, 21040), (960, 20514), (1040, 18936), (1052, 18720), (1152, 17095), (1170, 16832), (1248, 15780), (1315, 14976), (1440, 13676), (1560, 12624), (1578, 12480), (1664, 11835), (1872, 10520), (1920, 10257), (2080, 9468), (2104, 9360), (2340, 8416), (2367, 8320), (2496, 7890), (2630, 7488), (2880, 6838), (3120, 6312), (3156, 6240), (3419, 5760), (3744, 5260), (3945, 4992), (4160, 4734), (4208, 4680)]