19735281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 10534959

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 881, 1179, 2489, 2643, 7467, 7929, 16739, 22401, 50217, 115411, 150651, 346233, 1038699, 2192809, 6578427, 19735281]

約数ペア:

[(1, 19735281), (3, 6578427), (9, 2192809), (19, 1038699), (57, 346233), (131, 150651), (171, 115411), (393, 50217), (881, 22401), (1179, 16739), (2489, 7929), (2643, 7467)]