19656621

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{38317}}^1$

素因数の和:38345

約数の個数: 16

約数和(自身を含む): 30654400

約数和(自身を除く): 10997779

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 38317, 114951, 344853, 728023, 1034559, 2184069, 6552207, 19656621]

約数ペア:

[(1, 19656621), (3, 6552207), (9, 2184069), (19, 1034559), (27, 728023), (57, 344853), (171, 114951), (513, 38317)]