15721246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5827}}^1$

素因数の和:5919

約数の個数: 16

約数和(自身を含む): 25176960

約数和(自身を除く): 9455714

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 5827, 11654, 110713, 221426, 413717, 827434, 7860623, 15721246]

約数ペア:

[(1, 15721246), (2, 7860623), (19, 827434), (38, 413717), (71, 221426), (142, 110713), (1349, 11654), (2698, 5827)]