19998582984

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{599}}^1\times {\mathrm{20161}}^1$

素因数の和:20795

約数の個数: 96

約数和(自身を含む): 56614896000

約数和(自身を除く): 36616313016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 599, 828, 1198, 1656, 1797, 2396, 3594, 4792, 5391, 7188, 10782, 13777, 14376, 20161, 21564, 27554, 40322, 41331, 43128, 55108, 60483, 80644, 82662, 110216, 120966, 123993, 161288, 165324, 181449, 241932, 247986, 330648, 362898, 463703, 483864, 495972, 725796, 927406, 991944, 1391109, 1451592, 1854812, 2782218, 3709624, 4173327, 5564436, 8346654, 11128872, 12076439, 16693308, 24152878, 33386616, 36229317, 48305756, 72458634, 96611512, 108687951, 144917268, 217375902, 277758097, 289834536, 434751804, 555516194, 833274291, 869503608, 1111032388, 1666548582, 2222064776, 2499822873, 3333097164, 4999645746, 6666194328, 9999291492, 19998582984]

約数ペア:

[(1, 19998582984), (2, 9999291492), (3, 6666194328), (4, 4999645746), (6, 3333097164), (8, 2499822873), (9, 2222064776), (12, 1666548582), (18, 1111032388), (23, 869503608), (24, 833274291), (36, 555516194), (46, 434751804), (69, 289834536), (72, 277758097), (92, 217375902), (138, 144917268), (184, 108687951), (207, 96611512), (276, 72458634), (414, 48305756), (552, 36229317), (599, 33386616), (828, 24152878), (1198, 16693308), (1656, 12076439), (1797, 11128872), (2396, 8346654), (3594, 5564436), (4792, 4173327), (5391, 3709624), (7188, 2782218), (10782, 1854812), (13777, 1451592), (14376, 1391109), (20161, 991944), (21564, 927406), (27554, 725796), (40322, 495972), (41331, 483864), (43128, 463703), (55108, 362898), (60483, 330648), (80644, 247986), (82662, 241932), (110216, 181449), (120966, 165324), (123993, 161288)]