19495168

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 51803136

約数和(自身を除く): 32307968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 43, 44, 46, 56, 64, 77, 86, 88, 92, 112, 128, 154, 161, 172, 176, 184, 224, 253, 256, 301, 308, 322, 344, 352, 368, 448, 473, 506, 602, 616, 644, 688, 704, 736, 896, 946, 989, 1012, 1204, 1232, 1288, 1376, 1408, 1472, 1771, 1792, 1892, 1978, 2024, 2408, 2464, 2576, 2752, 2816, 2944, 3311, 3542, 3784, 3956, 4048, 4816, 4928, 5152, 5504, 5888, 6622, 6923, 7084, 7568, 7912, 8096, 9632, 9856, 10304, 10879, 11008, 13244, 13846, 14168, 15136, 15824, 16192, 19264, 19712, 20608, 21758, 26488, 27692, 28336, 30272, 31648, 32384, 38528, 41216, 43516, 52976, 55384, 56672, 60544, 63296, 64768, 76153, 77056, 87032, 105952, 110768, 113344, 121088, 126592, 152306, 174064, 211904, 221536, 226688, 253184, 304612, 348128, 423808, 443072, 453376, 609224, 696256, 847616, 886144, 1218448, 1392512, 1772288, 2436896, 2785024, 4873792, 9747584, 19495168]

約数ペア:

[(1, 19495168), (2, 9747584), (4, 4873792), (7, 2785024), (8, 2436896), (11, 1772288), (14, 1392512), (16, 1218448), (22, 886144), (23, 847616), (28, 696256), (32, 609224), (43, 453376), (44, 443072), (46, 423808), (56, 348128), (64, 304612), (77, 253184), (86, 226688), (88, 221536), (92, 211904), (112, 174064), (128, 152306), (154, 126592), (161, 121088), (172, 113344), (176, 110768), (184, 105952), (224, 87032), (253, 77056), (256, 76153), (301, 64768), (308, 63296), (322, 60544), (344, 56672), (352, 55384), (368, 52976), (448, 43516), (473, 41216), (506, 38528), (602, 32384), (616, 31648), (644, 30272), (688, 28336), (704, 27692), (736, 26488), (896, 21758), (946, 20608), (989, 19712), (1012, 19264), (1204, 16192), (1232, 15824), (1288, 15136), (1376, 14168), (1408, 13846), (1472, 13244), (1771, 11008), (1792, 10879), (1892, 10304), (1978, 9856), (2024, 9632), (2408, 8096), (2464, 7912), (2576, 7568), (2752, 7084), (2816, 6923), (2944, 6622), (3311, 5888), (3542, 5504), (3784, 5152), (3956, 4928), (4048, 4816)]