19899567

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1759}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 9668433

約数列:

[1, 3, 9, 27, 419, 1257, 1759, 3771, 5277, 11313, 15831, 47493, 737021, 2211063, 6633189, 19899567]

約数ペア:

[(1, 19899567), (3, 6633189), (9, 2211063), (27, 737021), (419, 47493), (1257, 15831), (1759, 11313), (3771, 5277)]