19010889

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 10295991

約数列:

[1, 3, 9, 27, 47, 71, 141, 211, 213, 423, 633, 639, 1269, 1899, 1917, 3337, 5697, 9917, 10011, 14981, 29751, 30033, 44943, 89253, 90099, 134829, 267759, 404487, 704107, 2112321, 6336963, 19010889]

約数ペア:

[(1, 19010889), (3, 6336963), (9, 2112321), (27, 704107), (47, 404487), (71, 267759), (141, 134829), (211, 90099), (213, 89253), (423, 44943), (633, 30033), (639, 29751), (1269, 14981), (1899, 10011), (1917, 9917), (3337, 5697)]