19858210562

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1\times {\mathrm{1223}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 30313388160

約数和(自身を除く): 10455177598

約数列:

[1, 2, 109, 211, 218, 353, 422, 706, 1223, 2446, 22999, 38477, 45998, 74483, 76954, 133307, 148966, 258053, 266614, 431719, 516106, 863438, 8118647, 16237294, 28127777, 47057371, 56255554, 91092709, 94114742, 182185418, 9929105281, 19858210562]

約数ペア:

[(1, 19858210562), (2, 9929105281), (109, 182185418), (211, 94114742), (218, 91092709), (353, 56255554), (422, 47057371), (706, 28127777), (1223, 16237294), (2446, 8118647), (22999, 863438), (38477, 516106), (45998, 431719), (74483, 266614), (76954, 258053), (133307, 148966)]