19806864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 66852864

約数和(自身を除く): 47046000

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 23, 24, 28, 33, 42, 44, 46, 48, 56, 66, 69, 77, 84, 88, 92, 112, 132, 138, 154, 161, 168, 176, 184, 231, 233, 253, 264, 276, 308, 322, 336, 368, 462, 466, 483, 506, 528, 552, 616, 644, 699, 759, 924, 932, 966, 1012, 1104, 1232, 1288, 1398, 1518, 1631, 1771, 1848, 1864, 1932, 2024, 2563, 2576, 2796, 3036, 3262, 3542, 3696, 3728, 3864, 4048, 4893, 5126, 5313, 5359, 5592, 6072, 6524, 7084, 7689, 7728, 9786, 10252, 10626, 10718, 11184, 12144, 13048, 14168, 15378, 16077, 17941, 19572, 20504, 21252, 21436, 26096, 28336, 30756, 32154, 35882, 37513, 39144, 41008, 42504, 42872, 53823, 58949, 61512, 64308, 71764, 75026, 78288, 85008, 85744, 107646, 112539, 117898, 123024, 128616, 143528, 150052, 176847, 215292, 225078, 235796, 257232, 287056, 300104, 353694, 412643, 430584, 450156, 471592, 600208, 707388, 825286, 861168, 900312, 943184, 1237929, 1414776, 1650572, 1800624, 2475858, 2829552, 3301144, 4951716, 6602288, 9903432, 19806864]

約数ペア:

[(1, 19806864), (2, 9903432), (3, 6602288), (4, 4951716), (6, 3301144), (7, 2829552), (8, 2475858), (11, 1800624), (12, 1650572), (14, 1414776), (16, 1237929), (21, 943184), (22, 900312), (23, 861168), (24, 825286), (28, 707388), (33, 600208), (42, 471592), (44, 450156), (46, 430584), (48, 412643), (56, 353694), (66, 300104), (69, 287056), (77, 257232), (84, 235796), (88, 225078), (92, 215292), (112, 176847), (132, 150052), (138, 143528), (154, 128616), (161, 123024), (168, 117898), (176, 112539), (184, 107646), (231, 85744), (233, 85008), (253, 78288), (264, 75026), (276, 71764), (308, 64308), (322, 61512), (336, 58949), (368, 53823), (462, 42872), (466, 42504), (483, 41008), (506, 39144), (528, 37513), (552, 35882), (616, 32154), (644, 30756), (699, 28336), (759, 26096), (924, 21436), (932, 21252), (966, 20504), (1012, 19572), (1104, 17941), (1232, 16077), (1288, 15378), (1398, 14168), (1518, 13048), (1631, 12144), (1771, 11184), (1848, 10718), (1864, 10626), (1932, 10252), (2024, 9786), (2563, 7728), (2576, 7689), (2796, 7084), (3036, 6524), (3262, 6072), (3542, 5592), (3696, 5359), (3728, 5313), (3864, 5126), (4048, 4893)]