19451520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 192

約数和(自身を含む): 73513440

約数和(自身を除く): 54061920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 307, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 614, 640, 660, 704, 720, 792, 880, 921, 960, 990, 1056, 1152, 1228, 1320, 1408, 1440, 1535, 1584, 1760, 1842, 1920, 1980, 2112, 2456, 2640, 2763, 2880, 3070, 3168, 3377, 3520, 3684, 3960, 4224, 4605, 4912, 5280, 5526, 5760, 6140, 6336, 6754, 7040, 7368, 7920, 9210, 9824, 10131, 10560, 11052, 12280, 12672, 13508, 13815, 14736, 15840, 16885, 18420, 19648, 20262, 21120, 22104, 24560, 27016, 27630, 29472, 30393, 31680, 33770, 36840, 39296, 40524, 44208, 49120, 50655, 54032, 55260, 58944, 60786, 63360, 67540, 73680, 81048, 88416, 98240, 101310, 108064, 110520, 117888, 121572, 135080, 147360, 151965, 162096, 176832, 196480, 202620, 216128, 221040, 243144, 270160, 294720, 303930, 324192, 353664, 405240, 432256, 442080, 486288, 540320, 589440, 607860, 648384, 810480, 884160, 972576, 1080640, 1215720, 1296768, 1620960, 1768320, 1945152, 2161280, 2431440, 3241920, 3890304, 4862880, 6483840, 9725760, 19451520]

約数ペア:

[(1, 19451520), (2, 9725760), (3, 6483840), (4, 4862880), (5, 3890304), (6, 3241920), (8, 2431440), (9, 2161280), (10, 1945152), (11, 1768320), (12, 1620960), (15, 1296768), (16, 1215720), (18, 1080640), (20, 972576), (22, 884160), (24, 810480), (30, 648384), (32, 607860), (33, 589440), (36, 540320), (40, 486288), (44, 442080), (45, 432256), (48, 405240), (55, 353664), (60, 324192), (64, 303930), (66, 294720), (72, 270160), (80, 243144), (88, 221040), (90, 216128), (96, 202620), (99, 196480), (110, 176832), (120, 162096), (128, 151965), (132, 147360), (144, 135080), (160, 121572), (165, 117888), (176, 110520), (180, 108064), (192, 101310), (198, 98240), (220, 88416), (240, 81048), (264, 73680), (288, 67540), (307, 63360), (320, 60786), (330, 58944), (352, 55260), (360, 54032), (384, 50655), (396, 49120), (440, 44208), (480, 40524), (495, 39296), (528, 36840), (576, 33770), (614, 31680), (640, 30393), (660, 29472), (704, 27630), (720, 27016), (792, 24560), (880, 22104), (921, 21120), (960, 20262), (990, 19648), (1056, 18420), (1152, 16885), (1228, 15840), (1320, 14736), (1408, 13815), (1440, 13508), (1535, 12672), (1584, 12280), (1760, 11052), (1842, 10560), (1920, 10131), (1980, 9824), (2112, 9210), (2456, 7920), (2640, 7368), (2763, 7040), (2880, 6754), (3070, 6336), (3168, 6140), (3377, 5760), (3520, 5526), (3684, 5280), (3960, 4912), (4224, 4605)]