19774216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27503864

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 683, 1034, 1316, 1366, 2068, 2632, 2732, 3619, 4136, 4781, 5464, 7238, 7513, 9562, 14476, 15026, 19124, 28952, 30052, 32101, 38248, 52591, 60104, 64202, 105182, 128404, 210364, 224707, 256808, 353111, 420728, 449414, 706222, 898828, 1412444, 1797656, 2471777, 2824888, 4943554, 9887108, 19774216]

約数ペア:

[(1, 19774216), (2, 9887108), (4, 4943554), (7, 2824888), (8, 2471777), (11, 1797656), (14, 1412444), (22, 898828), (28, 706222), (44, 449414), (47, 420728), (56, 353111), (77, 256808), (88, 224707), (94, 210364), (154, 128404), (188, 105182), (308, 64202), (329, 60104), (376, 52591), (517, 38248), (616, 32101), (658, 30052), (683, 28952), (1034, 19124), (1316, 15026), (1366, 14476), (2068, 9562), (2632, 7513), (2732, 7238), (3619, 5464), (4136, 4781)]