19658997

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31657}}^1$

素因数の和:31689

約数の個数: 16

約数和(自身を含む): 30391680

約数和(自身を除く): 10732683

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 31657, 94971, 284913, 728111, 854739, 2184333, 6552999, 19658997]

約数ペア:

[(1, 19658997), (3, 6552999), (9, 2184333), (23, 854739), (27, 728111), (69, 284913), (207, 94971), (621, 31657)]