18699879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6367}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 27509760

約数和(自身を除く): 8809881

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6367, 19101, 70037, 210111, 566663, 1699989, 6233293, 18699879]

約数ペア:

[(1, 18699879), (3, 6233293), (11, 1699989), (33, 566663), (89, 210111), (267, 70037), (979, 19101), (2937, 6367)]