19559217

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 26528832

約数和(自身を除く): 6969615

約数列:

[1, 3, 131, 157, 317, 393, 471, 951, 20567, 41527, 49769, 61701, 124581, 149307, 6519739, 19559217]

約数ペア:

[(1, 19559217), (3, 6519739), (131, 149307), (157, 124581), (317, 61701), (393, 49769), (471, 41527), (951, 20567)]