19055520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 192

約数和(自身を含む): 72938880

約数和(自身を除く): 53883360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 401, 432, 440, 480, 495, 528, 540, 594, 660, 720, 792, 802, 864, 880, 990, 1056, 1080, 1188, 1203, 1320, 1440, 1485, 1584, 1604, 1760, 1980, 2005, 2160, 2376, 2406, 2640, 2970, 3168, 3208, 3609, 3960, 4010, 4320, 4411, 4752, 4812, 5280, 5940, 6015, 6416, 7218, 7920, 8020, 8822, 9504, 9624, 10827, 11880, 12030, 12832, 13233, 14436, 15840, 16040, 17644, 18045, 19248, 21654, 22055, 23760, 24060, 26466, 28872, 32080, 35288, 36090, 38496, 39699, 43308, 44110, 47520, 48120, 52932, 54135, 57744, 64160, 66165, 70576, 72180, 79398, 86616, 88220, 96240, 105864, 108270, 115488, 119097, 132330, 141152, 144360, 158796, 173232, 176440, 192480, 198495, 211728, 216540, 238194, 264660, 288720, 317592, 346464, 352880, 396990, 423456, 433080, 476388, 529320, 577440, 595485, 635184, 705760, 793980, 866160, 952776, 1058640, 1190970, 1270368, 1587960, 1732320, 1905552, 2117280, 2381940, 3175920, 3811104, 4763880, 6351840, 9527760, 19055520]

約数ペア:

[(1, 19055520), (2, 9527760), (3, 6351840), (4, 4763880), (5, 3811104), (6, 3175920), (8, 2381940), (9, 2117280), (10, 1905552), (11, 1732320), (12, 1587960), (15, 1270368), (16, 1190970), (18, 1058640), (20, 952776), (22, 866160), (24, 793980), (27, 705760), (30, 635184), (32, 595485), (33, 577440), (36, 529320), (40, 476388), (44, 433080), (45, 423456), (48, 396990), (54, 352880), (55, 346464), (60, 317592), (66, 288720), (72, 264660), (80, 238194), (88, 216540), (90, 211728), (96, 198495), (99, 192480), (108, 176440), (110, 173232), (120, 158796), (132, 144360), (135, 141152), (144, 132330), (160, 119097), (165, 115488), (176, 108270), (180, 105864), (198, 96240), (216, 88220), (220, 86616), (240, 79398), (264, 72180), (270, 70576), (288, 66165), (297, 64160), (330, 57744), (352, 54135), (360, 52932), (396, 48120), (401, 47520), (432, 44110), (440, 43308), (480, 39699), (495, 38496), (528, 36090), (540, 35288), (594, 32080), (660, 28872), (720, 26466), (792, 24060), (802, 23760), (864, 22055), (880, 21654), (990, 19248), (1056, 18045), (1080, 17644), (1188, 16040), (1203, 15840), (1320, 14436), (1440, 13233), (1485, 12832), (1584, 12030), (1604, 11880), (1760, 10827), (1980, 9624), (2005, 9504), (2160, 8822), (2376, 8020), (2406, 7920), (2640, 7218), (2970, 6416), (3168, 6015), (3208, 5940), (3609, 5280), (3960, 4812), (4010, 4752), (4320, 4411)]