19680903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10499

約数の個数: 24

約数和(自身を含む): 32647680

約数和(自身を除く): 12966777

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10463, 31389, 94167, 115093, 198797, 345279, 596391, 1035837, 1789173, 2186767, 6560301, 19680903]

約数ペア:

[(1, 19680903), (3, 6560301), (9, 2186767), (11, 1789173), (19, 1035837), (33, 596391), (57, 345279), (99, 198797), (171, 115093), (209, 94167), (627, 31389), (1881, 10463)]