18995229

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21319}}^1$

素因数の和:21342

約数の個数: 20

約数和(自身を含む): 30956640

約数和(自身を除く): 11961411

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21319, 63957, 191871, 234509, 575613, 703527, 1726839, 2110581, 6331743, 18995229]

約数ペア:

[(1, 18995229), (3, 6331743), (9, 2110581), (11, 1726839), (27, 703527), (33, 575613), (81, 234509), (99, 191871), (297, 63957), (891, 21319)]