19933672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 43156800

約数和(自身を除く): 23223128

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 73, 88, 107, 116, 146, 214, 232, 292, 319, 428, 584, 638, 803, 856, 1177, 1276, 1606, 2117, 2354, 2552, 3103, 3212, 4234, 4708, 6206, 6424, 7811, 8468, 9416, 12412, 15622, 16936, 23287, 24824, 31244, 34133, 46574, 62488, 68266, 85921, 93148, 136532, 171842, 186296, 226519, 273064, 343684, 453038, 687368, 906076, 1812152, 2491709, 4983418, 9966836, 19933672]

約数ペア:

[(1, 19933672), (2, 9966836), (4, 4983418), (8, 2491709), (11, 1812152), (22, 906076), (29, 687368), (44, 453038), (58, 343684), (73, 273064), (88, 226519), (107, 186296), (116, 171842), (146, 136532), (214, 93148), (232, 85921), (292, 68266), (319, 62488), (428, 46574), (584, 34133), (638, 31244), (803, 24824), (856, 23287), (1177, 16936), (1276, 15622), (1606, 12412), (2117, 9416), (2354, 8468), (2552, 7811), (3103, 6424), (3212, 6206), (4234, 4708)]