19948544

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 132

約数和(自身を含む): 52272192

約数和(自身を除く): 32323648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 121, 128, 154, 161, 176, 184, 224, 242, 253, 256, 308, 322, 352, 368, 448, 484, 506, 512, 616, 644, 704, 736, 847, 896, 968, 1012, 1024, 1232, 1288, 1408, 1472, 1694, 1771, 1792, 1936, 2024, 2464, 2576, 2783, 2816, 2944, 3388, 3542, 3584, 3872, 4048, 4928, 5152, 5566, 5632, 5888, 6776, 7084, 7168, 7744, 8096, 9856, 10304, 11132, 11264, 11776, 13552, 14168, 15488, 16192, 19481, 19712, 20608, 22264, 23552, 27104, 28336, 30976, 32384, 38962, 39424, 41216, 44528, 54208, 56672, 61952, 64768, 77924, 78848, 82432, 89056, 108416, 113344, 123904, 129536, 155848, 164864, 178112, 216832, 226688, 259072, 311696, 356224, 433664, 453376, 623392, 712448, 867328, 906752, 1246784, 1424896, 1813504, 2493568, 2849792, 4987136, 9974272, 19948544]

約数ペア:

[(1, 19948544), (2, 9974272), (4, 4987136), (7, 2849792), (8, 2493568), (11, 1813504), (14, 1424896), (16, 1246784), (22, 906752), (23, 867328), (28, 712448), (32, 623392), (44, 453376), (46, 433664), (56, 356224), (64, 311696), (77, 259072), (88, 226688), (92, 216832), (112, 178112), (121, 164864), (128, 155848), (154, 129536), (161, 123904), (176, 113344), (184, 108416), (224, 89056), (242, 82432), (253, 78848), (256, 77924), (308, 64768), (322, 61952), (352, 56672), (368, 54208), (448, 44528), (484, 41216), (506, 39424), (512, 38962), (616, 32384), (644, 30976), (704, 28336), (736, 27104), (847, 23552), (896, 22264), (968, 20608), (1012, 19712), (1024, 19481), (1232, 16192), (1288, 15488), (1408, 14168), (1472, 13552), (1694, 11776), (1771, 11264), (1792, 11132), (1936, 10304), (2024, 9856), (2464, 8096), (2576, 7744), (2783, 7168), (2816, 7084), (2944, 6776), (3388, 5888), (3542, 5632), (3584, 5566), (3872, 5152), (4048, 4928)]