19468971

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11012949

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 293, 321, 621, 879, 963, 2461, 2637, 2889, 6739, 7383, 7911, 20217, 22149, 31351, 60651, 66447, 94053, 181953, 282159, 721073, 846477, 2163219, 6489657, 19468971]

約数ペア:

[(1, 19468971), (3, 6489657), (9, 2163219), (23, 846477), (27, 721073), (69, 282159), (107, 181953), (207, 94053), (293, 66447), (321, 60651), (621, 31351), (879, 22149), (963, 20217), (2461, 7911), (2637, 7383), (2889, 6739)]