19828989

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{38653}}^1$

素因数の和:38681

約数の個数: 16

約数和(自身を含む): 30923200

約数和(自身を除く): 11094211

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 38653, 115959, 347877, 734407, 1043631, 2203221, 6609663, 19828989]

約数ペア:

[(1, 19828989), (3, 6609663), (9, 2203221), (19, 1043631), (27, 734407), (57, 347877), (171, 115959), (513, 38653)]