19712866

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4787}}^1$

素因数の和:4889

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 11313374

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4787, 9574, 138823, 277646, 339877, 679754, 9856433, 19712866]

約数ペア:

[(1, 19712866), (2, 9856433), (29, 679754), (58, 339877), (71, 277646), (142, 138823), (2059, 9574), (4118, 4787)]