19138471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 21422880

約数和(自身を除く): 2284409

約数列:

[1, 11, 89, 113, 173, 979, 1243, 1903, 10057, 15397, 19549, 110627, 169367, 215039, 1739861, 19138471]

約数ペア:

[(1, 19138471), (11, 1739861), (89, 215039), (113, 169367), (173, 110627), (979, 19549), (1243, 15397), (1903, 10057)]