19505409489

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{65423}}^1$

素因数の和:65797

約数の個数: 24

約数和(自身を含む): 28488749952

約数和(自身を除く): 8983340463

約数列:

[1, 3, 9, 157, 211, 471, 633, 1413, 1899, 33127, 65423, 99381, 196269, 298143, 588807, 10271411, 13804253, 30814233, 41412759, 92442699, 124238277, 2167267721, 6501803163, 19505409489]

約数ペア:

[(1, 19505409489), (3, 6501803163), (9, 2167267721), (157, 124238277), (211, 92442699), (471, 41412759), (633, 30814233), (1413, 13804253), (1899, 10271411), (33127, 588807), (65423, 298143), (99381, 196269)]