18759699

素因数分解:

$3^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 32448000

約数和(自身を除く): 13688301

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 103, 147, 177, 309, 343, 413, 441, 531, 721, 927, 1029, 1239, 2163, 2891, 3087, 3717, 5047, 6077, 6489, 8673, 15141, 18231, 20237, 26019, 35329, 42539, 45423, 54693, 60711, 105987, 127617, 182133, 297773, 317961, 382851, 893319, 2084411, 2679957, 6253233, 18759699]

約数ペア:

[(1, 18759699), (3, 6253233), (7, 2679957), (9, 2084411), (21, 893319), (49, 382851), (59, 317961), (63, 297773), (103, 182133), (147, 127617), (177, 105987), (309, 60711), (343, 54693), (413, 45423), (441, 42539), (531, 35329), (721, 26019), (927, 20237), (1029, 18231), (1239, 15141), (2163, 8673), (2891, 6489), (3087, 6077), (3717, 5047)]