19198080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 256

約数和(自身を含む): 74908800

約数和(自身を除く): 55710720

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, 64, 66, 72, 80, 88, 90, 96, 99, 101, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 202, 216, 220, 240, 264, 270, 288, 297, 303, 320, 330, 352, 360, 384, 396, 404, 432, 440, 480, 495, 505, 528, 540, 576, 594, 606, 640, 660, 704, 720, 792, 808, 864, 880, 909, 960, 990, 1010, 1056, 1080, 1111, 1152, 1188, 1212, 1320, 1408, 1440, 1485, 1515, 1584, 1616, 1728, 1760, 1818, 1920, 1980, 2020, 2112, 2160, 2222, 2376, 2424, 2640, 2727, 2880, 2970, 3030, 3168, 3232, 3333, 3456, 3520, 3636, 3960, 4040, 4224, 4320, 4444, 4545, 4752, 4848, 5280, 5454, 5555, 5760, 5940, 6060, 6336, 6464, 6666, 7040, 7272, 7920, 8080, 8640, 8888, 9090, 9504, 9696, 9999, 10560, 10908, 11110, 11880, 12120, 12672, 12928, 13332, 13635, 14544, 15840, 16160, 16665, 17280, 17776, 18180, 19008, 19392, 19998, 21120, 21816, 22220, 23760, 24240, 26664, 27270, 29088, 29997, 31680, 32320, 33330, 35552, 36360, 38016, 38784, 39996, 43632, 44440, 47520, 48480, 49995, 53328, 54540, 58176, 59994, 63360, 64640, 66660, 71104, 72720, 79992, 87264, 88880, 95040, 96960, 99990, 106656, 109080, 116352, 119988, 133320, 142208, 145440, 149985, 159984, 174528, 177760, 190080, 193920, 199980, 213312, 218160, 239976, 266640, 290880, 299970, 319968, 349056, 355520, 399960, 426624, 436320, 479952, 533280, 581760, 599940, 639936, 711040, 799920, 872640, 959904, 1066560, 1199880, 1279872, 1599840, 1745280, 1919808, 2133120, 2399760, 3199680, 3839616, 4799520, 6399360, 9599040, 19198080]

約数ペア:

[(1, 19198080), (2, 9599040), (3, 6399360), (4, 4799520), (5, 3839616), (6, 3199680), (8, 2399760), (9, 2133120), (10, 1919808), (11, 1745280), (12, 1599840), (15, 1279872), (16, 1199880), (18, 1066560), (20, 959904), (22, 872640), (24, 799920), (27, 711040), (30, 639936), (32, 599940), (33, 581760), (36, 533280), (40, 479952), (44, 436320), (45, 426624), (48, 399960), (54, 355520), (55, 349056), (60, 319968), (64, 299970), (66, 290880), (72, 266640), (80, 239976), (88, 218160), (90, 213312), (96, 199980), (99, 193920), (101, 190080), (108, 177760), (110, 174528), (120, 159984), (128, 149985), (132, 145440), (135, 142208), (144, 133320), (160, 119988), (165, 116352), (176, 109080), (180, 106656), (192, 99990), (198, 96960), (202, 95040), (216, 88880), (220, 87264), (240, 79992), (264, 72720), (270, 71104), (288, 66660), (297, 64640), (303, 63360), (320, 59994), (330, 58176), (352, 54540), (360, 53328), (384, 49995), (396, 48480), (404, 47520), (432, 44440), (440, 43632), (480, 39996), (495, 38784), (505, 38016), (528, 36360), (540, 35552), (576, 33330), (594, 32320), (606, 31680), (640, 29997), (660, 29088), (704, 27270), (720, 26664), (792, 24240), (808, 23760), (864, 22220), (880, 21816), (909, 21120), (960, 19998), (990, 19392), (1010, 19008), (1056, 18180), (1080, 17776), (1111, 17280), (1152, 16665), (1188, 16160), (1212, 15840), (1320, 14544), (1408, 13635), (1440, 13332), (1485, 12928), (1515, 12672), (1584, 12120), (1616, 11880), (1728, 11110), (1760, 10908), (1818, 10560), (1920, 9999), (1980, 9696), (2020, 9504), (2112, 9090), (2160, 8888), (2222, 8640), (2376, 8080), (2424, 7920), (2640, 7272), (2727, 7040), (2880, 6666), (2970, 6464), (3030, 6336), (3168, 6060), (3232, 5940), (3333, 5760), (3456, 5555), (3520, 5454), (3636, 5280), (3960, 4848), (4040, 4752), (4224, 4545), (4320, 4444)]