19081216

素因数分解:

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

素因数の和:62

約数の個数: 96

約数和(自身を含む): 47960640

約数和(自身を除く): 28879424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 121, 128, 154, 176, 224, 242, 256, 308, 352, 448, 484, 512, 616, 704, 847, 896, 968, 1024, 1232, 1331, 1408, 1694, 1792, 1936, 2048, 2464, 2662, 2816, 3388, 3584, 3872, 4928, 5324, 5632, 6776, 7168, 7744, 9317, 9856, 10648, 11264, 13552, 14336, 15488, 18634, 19712, 21296, 22528, 27104, 30976, 37268, 39424, 42592, 54208, 61952, 74536, 78848, 85184, 108416, 123904, 149072, 157696, 170368, 216832, 247808, 298144, 340736, 433664, 596288, 681472, 867328, 1192576, 1362944, 1734656, 2385152, 2725888, 4770304, 9540608, 19081216]

約数ペア:

[(1, 19081216), (2, 9540608), (4, 4770304), (7, 2725888), (8, 2385152), (11, 1734656), (14, 1362944), (16, 1192576), (22, 867328), (28, 681472), (32, 596288), (44, 433664), (56, 340736), (64, 298144), (77, 247808), (88, 216832), (112, 170368), (121, 157696), (128, 149072), (154, 123904), (176, 108416), (224, 85184), (242, 78848), (256, 74536), (308, 61952), (352, 54208), (448, 42592), (484, 39424), (512, 37268), (616, 30976), (704, 27104), (847, 22528), (896, 21296), (968, 19712), (1024, 18634), (1232, 15488), (1331, 14336), (1408, 13552), (1694, 11264), (1792, 10648), (1936, 9856), (2048, 9317), (2464, 7744), (2662, 7168), (2816, 6776), (3388, 5632), (3584, 5324), (3872, 4928)]