19577824

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 25128992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1231, 1988, 2272, 2462, 3976, 4924, 7952, 8617, 9848, 15904, 17234, 19696, 34468, 39392, 68936, 87401, 137872, 174802, 275744, 349604, 611807, 699208, 1223614, 1398416, 2447228, 2796832, 4894456, 9788912, 19577824]

約数ペア:

[(1, 19577824), (2, 9788912), (4, 4894456), (7, 2796832), (8, 2447228), (14, 1398416), (16, 1223614), (28, 699208), (32, 611807), (56, 349604), (71, 275744), (112, 174802), (142, 137872), (224, 87401), (284, 68936), (497, 39392), (568, 34468), (994, 19696), (1136, 17234), (1231, 15904), (1988, 9848), (2272, 8617), (2462, 7952), (3976, 4924)]