19997490816

素因数分解:

$2^7\times 3^3\times {\mathrm{47}}^1\times {\mathrm{123113}}^1$

素因数の和:123183

約数の個数: 128

約数和(自身を含む): 60276614400

約数和(自身を除く): 40279123584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 282, 288, 376, 384, 423, 432, 564, 576, 752, 846, 864, 1128, 1152, 1269, 1504, 1692, 1728, 2256, 2538, 3008, 3384, 3456, 4512, 5076, 6016, 6768, 9024, 10152, 13536, 18048, 20304, 27072, 40608, 54144, 81216, 123113, 162432, 246226, 369339, 492452, 738678, 984904, 1108017, 1477356, 1969808, 2216034, 2954712, 3324051, 3939616, 4432068, 5786311, 5909424, 6648102, 7879232, 8864136, 11572622, 11818848, 13296204, 15758464, 17358933, 17728272, 23145244, 23637696, 26592408, 34717866, 35456544, 46290488, 47275392, 52076799, 53184816, 69435732, 70913088, 92580976, 104153598, 106369632, 138871464, 141826176, 156230397, 185161952, 208307196, 212739264, 277742928, 312460794, 370323904, 416614392, 425478528, 555485856, 624921588, 740647808, 833228784, 1110971712, 1249843176, 1666457568, 2221943424, 2499686352, 3332915136, 4999372704, 6665830272, 9998745408, 19997490816]

約数ペア:

[(1, 19997490816), (2, 9998745408), (3, 6665830272), (4, 4999372704), (6, 3332915136), (8, 2499686352), (9, 2221943424), (12, 1666457568), (16, 1249843176), (18, 1110971712), (24, 833228784), (27, 740647808), (32, 624921588), (36, 555485856), (47, 425478528), (48, 416614392), (54, 370323904), (64, 312460794), (72, 277742928), (94, 212739264), (96, 208307196), (108, 185161952), (128, 156230397), (141, 141826176), (144, 138871464), (188, 106369632), (192, 104153598), (216, 92580976), (282, 70913088), (288, 69435732), (376, 53184816), (384, 52076799), (423, 47275392), (432, 46290488), (564, 35456544), (576, 34717866), (752, 26592408), (846, 23637696), (864, 23145244), (1128, 17728272), (1152, 17358933), (1269, 15758464), (1504, 13296204), (1692, 11818848), (1728, 11572622), (2256, 8864136), (2538, 7879232), (3008, 6648102), (3384, 5909424), (3456, 5786311), (4512, 4432068), (5076, 3939616), (6016, 3324051), (6768, 2954712), (9024, 2216034), (10152, 1969808), (13536, 1477356), (18048, 1108017), (20304, 984904), (27072, 738678), (40608, 492452), (54144, 369339), (81216, 246226), (123113, 162432)]