19255768

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24289832

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 71, 116, 142, 167, 203, 232, 284, 334, 406, 497, 568, 668, 812, 994, 1169, 1336, 1624, 1988, 2059, 2338, 3976, 4118, 4676, 4843, 8236, 9352, 9686, 11857, 14413, 16472, 19372, 23714, 28826, 33901, 38744, 47428, 57652, 67802, 82999, 94856, 115304, 135604, 165998, 271208, 331996, 343853, 663992, 687706, 1375412, 2406971, 2750824, 4813942, 9627884, 19255768]

約数ペア:

[(1, 19255768), (2, 9627884), (4, 4813942), (7, 2750824), (8, 2406971), (14, 1375412), (28, 687706), (29, 663992), (56, 343853), (58, 331996), (71, 271208), (116, 165998), (142, 135604), (167, 115304), (203, 94856), (232, 82999), (284, 67802), (334, 57652), (406, 47428), (497, 38744), (568, 33901), (668, 28826), (812, 23714), (994, 19372), (1169, 16472), (1336, 14413), (1624, 11857), (1988, 9686), (2059, 9352), (2338, 8236), (3976, 4843), (4118, 4676)]