19883421

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43319}}^1$

素因数の和:43345

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 11306979

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43319, 129957, 389871, 736423, 1169613, 2209269, 6627807, 19883421]

約数ペア:

[(1, 19883421), (3, 6627807), (9, 2209269), (17, 1169613), (27, 736423), (51, 389871), (153, 129957), (459, 43319)]