19975230723

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20238329}}^1$

素因数の和:20238386

約数の個数: 16

約数和(自身を含む): 31086074880

約数和(自身を除く): 11110844157

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20238329, 60714987, 141668303, 425004909, 951201463, 2853604389, 6658410241, 19975230723]

約数ペア:

[(1, 19975230723), (3, 6658410241), (7, 2853604389), (21, 951201463), (47, 425004909), (141, 141668303), (329, 60714987), (987, 20238329)]