19469889

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4251

約数の個数: 24

約数和(自身を含む): 30707040

約数和(自身を除く): 11237151

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4217, 4617, 12651, 37953, 80123, 113859, 240369, 341577, 721107, 1024731, 2163321, 6489963, 19469889]

約数ペア:

[(1, 19469889), (3, 6489963), (9, 2163321), (19, 1024731), (27, 721107), (57, 341577), (81, 240369), (171, 113859), (243, 80123), (513, 37953), (1539, 12651), (4217, 4617)]