19701912

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 53412480

約数和(自身を除く): 33710568

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 43, 51, 68, 86, 102, 129, 136, 172, 204, 258, 344, 408, 516, 731, 1032, 1123, 1462, 2193, 2246, 2924, 3369, 4386, 4492, 5848, 6738, 8772, 8984, 13476, 17544, 19091, 26952, 38182, 48289, 57273, 76364, 96578, 114546, 144867, 152728, 193156, 229092, 289734, 386312, 458184, 579468, 820913, 1158936, 1641826, 2462739, 3283652, 4925478, 6567304, 9850956, 19701912]

約数ペア:

[(1, 19701912), (2, 9850956), (3, 6567304), (4, 4925478), (6, 3283652), (8, 2462739), (12, 1641826), (17, 1158936), (24, 820913), (34, 579468), (43, 458184), (51, 386312), (68, 289734), (86, 229092), (102, 193156), (129, 152728), (136, 144867), (172, 114546), (204, 96578), (258, 76364), (344, 57273), (408, 48289), (516, 38182), (731, 26952), (1032, 19091), (1123, 17544), (1462, 13476), (2193, 8984), (2246, 8772), (2924, 6738), (3369, 5848), (4386, 4492)]