19018384

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 28121456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 359, 473, 602, 616, 688, 718, 946, 1204, 1232, 1436, 1892, 2408, 2513, 2872, 3311, 3784, 3949, 4816, 5026, 5744, 6622, 7568, 7898, 10052, 13244, 15437, 15796, 20104, 26488, 27643, 30874, 31592, 40208, 52976, 55286, 61748, 63184, 108059, 110572, 123496, 169807, 216118, 221144, 246992, 339614, 432236, 442288, 679228, 864472, 1188649, 1358456, 1728944, 2377298, 2716912, 4754596, 9509192, 19018384]

約数ペア:

[(1, 19018384), (2, 9509192), (4, 4754596), (7, 2716912), (8, 2377298), (11, 1728944), (14, 1358456), (16, 1188649), (22, 864472), (28, 679228), (43, 442288), (44, 432236), (56, 339614), (77, 246992), (86, 221144), (88, 216118), (112, 169807), (154, 123496), (172, 110572), (176, 108059), (301, 63184), (308, 61748), (344, 55286), (359, 52976), (473, 40208), (602, 31592), (616, 30874), (688, 27643), (718, 26488), (946, 20104), (1204, 15796), (1232, 15437), (1436, 13244), (1892, 10052), (2408, 7898), (2513, 7568), (2872, 6622), (3311, 5744), (3784, 5026), (3949, 4816)]