19889133

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 11100819

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 293, 363, 561, 879, 1331, 2057, 3223, 3993, 4981, 6171, 9669, 14943, 22627, 35453, 54791, 67881, 106359, 164373, 389983, 602701, 1169949, 1808103, 6629711, 19889133]

約数ペア:

[(1, 19889133), (3, 6629711), (11, 1808103), (17, 1169949), (33, 602701), (51, 389983), (121, 164373), (187, 106359), (293, 67881), (363, 54791), (561, 35453), (879, 22627), (1331, 14943), (2057, 9669), (3223, 6171), (3993, 4981)]