19998818784

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{46573}}^1$

素因数の和:46670

約数の個数: 192

約数和(自身を含む): 67603092480

約数和(自身を除く): 47604273696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 71, 72, 84, 96, 108, 112, 126, 142, 144, 168, 189, 213, 216, 224, 252, 284, 288, 336, 378, 426, 432, 497, 504, 568, 639, 672, 756, 852, 864, 994, 1008, 1136, 1278, 1491, 1512, 1704, 1917, 1988, 2016, 2272, 2556, 2982, 3024, 3408, 3834, 3976, 4473, 5112, 5964, 6048, 6816, 7668, 7952, 8946, 10224, 11928, 13419, 15336, 15904, 17892, 20448, 23856, 26838, 30672, 35784, 46573, 47712, 53676, 61344, 71568, 93146, 107352, 139719, 143136, 186292, 214704, 279438, 326011, 372584, 419157, 429408, 558876, 652022, 745168, 838314, 978033, 1117752, 1257471, 1304044, 1490336, 1676628, 1956066, 2235504, 2514942, 2608088, 2934099, 3306683, 3353256, 3912132, 4471008, 5029884, 5216176, 5868198, 6613366, 6706512, 7824264, 8802297, 9920049, 10059768, 10432352, 11736396, 13226732, 13413024, 15648528, 17604594, 19840098, 20119536, 23146781, 23472792, 26453464, 29760147, 31297056, 35209188, 39680196, 40239072, 46293562, 46945584, 52906928, 59520294, 69440343, 70418376, 79360392, 89280441, 92587124, 93891168, 105813856, 119040588, 138880686, 140836752, 158720784, 178560882, 185174248, 208321029, 238081176, 277761372, 281673504, 317441568, 357121764, 370348496, 416642058, 476162352, 555522744, 624963087, 714243528, 740696992, 833284116, 952324704, 1111045488, 1249926174, 1428487056, 1666568232, 2222090976, 2499852348, 2856974112, 3333136464, 4999704696, 6666272928, 9999409392, 19998818784]

約数ペア:

[(1, 19998818784), (2, 9999409392), (3, 6666272928), (4, 4999704696), (6, 3333136464), (7, 2856974112), (8, 2499852348), (9, 2222090976), (12, 1666568232), (14, 1428487056), (16, 1249926174), (18, 1111045488), (21, 952324704), (24, 833284116), (27, 740696992), (28, 714243528), (32, 624963087), (36, 555522744), (42, 476162352), (48, 416642058), (54, 370348496), (56, 357121764), (63, 317441568), (71, 281673504), (72, 277761372), (84, 238081176), (96, 208321029), (108, 185174248), (112, 178560882), (126, 158720784), (142, 140836752), (144, 138880686), (168, 119040588), (189, 105813856), (213, 93891168), (216, 92587124), (224, 89280441), (252, 79360392), (284, 70418376), (288, 69440343), (336, 59520294), (378, 52906928), (426, 46945584), (432, 46293562), (497, 40239072), (504, 39680196), (568, 35209188), (639, 31297056), (672, 29760147), (756, 26453464), (852, 23472792), (864, 23146781), (994, 20119536), (1008, 19840098), (1136, 17604594), (1278, 15648528), (1491, 13413024), (1512, 13226732), (1704, 11736396), (1917, 10432352), (1988, 10059768), (2016, 9920049), (2272, 8802297), (2556, 7824264), (2982, 6706512), (3024, 6613366), (3408, 5868198), (3834, 5216176), (3976, 5029884), (4473, 4471008), (5112, 3912132), (5964, 3353256), (6048, 3306683), (6816, 2934099), (7668, 2608088), (7952, 2514942), (8946, 2235504), (10224, 1956066), (11928, 1676628), (13419, 1490336), (15336, 1304044), (15904, 1257471), (17892, 1117752), (20448, 978033), (23856, 838314), (26838, 745168), (30672, 652022), (35784, 558876), (46573, 429408), (47712, 419157), (53676, 372584), (61344, 326011), (71568, 279438), (93146, 214704), (107352, 186292), (139719, 143136)]