18956784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 63995904

約数和(自身を除く): 45039120

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, 223, 231, 253, 264, 276, 308, 322, 336, 368, 446, 462, 483, 506, 528, 552, 616, 644, 669, 759, 892, 924, 966, 1012, 1104, 1232, 1288, 1338, 1518, 1561, 1771, 1784, 1848, 1932, 2024, 2453, 2576, 2676, 3036, 3122, 3542, 3568, 3696, 3864, 4048, 4683, 4906, 5129, 5313, 5352, 6072, 6244, 7084, 7359, 7728, 9366, 9812, 10258, 10626, 10704, 12144, 12488, 14168, 14718, 15387, 17171, 18732, 19624, 20516, 21252, 24976, 28336, 29436, 30774, 34342, 35903, 37464, 39248, 41032, 42504, 51513, 56419, 58872, 61548, 68684, 71806, 74928, 82064, 85008, 103026, 107709, 112838, 117744, 123096, 137368, 143612, 169257, 206052, 215418, 225676, 246192, 274736, 287224, 338514, 394933, 412104, 430836, 451352, 574448, 677028, 789866, 824208, 861672, 902704, 1184799, 1354056, 1579732, 1723344, 2369598, 2708112, 3159464, 4739196, 6318928, 9478392, 18956784]

約数ペア:

[(1, 18956784), (2, 9478392), (3, 6318928), (4, 4739196), (6, 3159464), (7, 2708112), (8, 2369598), (11, 1723344), (12, 1579732), (14, 1354056), (16, 1184799), (21, 902704), (22, 861672), (23, 824208), (24, 789866), (28, 677028), (33, 574448), (42, 451352), (44, 430836), (46, 412104), (48, 394933), (56, 338514), (66, 287224), (69, 274736), (77, 246192), (84, 225676), (88, 215418), (92, 206052), (112, 169257), (132, 143612), (138, 137368), (154, 123096), (161, 117744), (168, 112838), (176, 107709), (184, 103026), (223, 85008), (231, 82064), (253, 74928), (264, 71806), (276, 68684), (308, 61548), (322, 58872), (336, 56419), (368, 51513), (446, 42504), (462, 41032), (483, 39248), (506, 37464), (528, 35903), (552, 34342), (616, 30774), (644, 29436), (669, 28336), (759, 24976), (892, 21252), (924, 20516), (966, 19624), (1012, 18732), (1104, 17171), (1232, 15387), (1288, 14718), (1338, 14168), (1518, 12488), (1561, 12144), (1771, 10704), (1784, 10626), (1848, 10258), (1932, 9812), (2024, 9366), (2453, 7728), (2576, 7359), (2676, 7084), (3036, 6244), (3122, 6072), (3542, 5352), (3568, 5313), (3696, 5129), (3864, 4906), (4048, 4683)]