19013456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 49080192

約数和(自身を除く): 30066736

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 61, 77, 88, 92, 112, 121, 122, 154, 161, 176, 184, 242, 244, 253, 308, 322, 368, 427, 484, 488, 506, 616, 644, 671, 847, 854, 968, 976, 1012, 1232, 1288, 1342, 1403, 1694, 1708, 1771, 1936, 2024, 2576, 2684, 2783, 2806, 3388, 3416, 3542, 4048, 4697, 5368, 5566, 5612, 6776, 6832, 7084, 7381, 9394, 9821, 10736, 11132, 11224, 13552, 14168, 14762, 15433, 18788, 19481, 19642, 22264, 22448, 28336, 29524, 30866, 37576, 38962, 39284, 44528, 51667, 59048, 61732, 75152, 77924, 78568, 103334, 108031, 118096, 123464, 155848, 157136, 169763, 206668, 216062, 246928, 311696, 339526, 413336, 432124, 679052, 826672, 864248, 1188341, 1358104, 1728496, 2376682, 2716208, 4753364, 9506728, 19013456]

約数ペア:

[(1, 19013456), (2, 9506728), (4, 4753364), (7, 2716208), (8, 2376682), (11, 1728496), (14, 1358104), (16, 1188341), (22, 864248), (23, 826672), (28, 679052), (44, 432124), (46, 413336), (56, 339526), (61, 311696), (77, 246928), (88, 216062), (92, 206668), (112, 169763), (121, 157136), (122, 155848), (154, 123464), (161, 118096), (176, 108031), (184, 103334), (242, 78568), (244, 77924), (253, 75152), (308, 61732), (322, 59048), (368, 51667), (427, 44528), (484, 39284), (488, 38962), (506, 37576), (616, 30866), (644, 29524), (671, 28336), (847, 22448), (854, 22264), (968, 19642), (976, 19481), (1012, 18788), (1232, 15433), (1288, 14762), (1342, 14168), (1403, 13552), (1694, 11224), (1708, 11132), (1771, 10736), (1936, 9821), (2024, 9394), (2576, 7381), (2684, 7084), (2783, 6832), (2806, 6776), (3388, 5612), (3416, 5566), (3542, 5368), (4048, 4697)]