19774581

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 26999808

約数和(自身を除く): 7225227

約数列:

[1, 3, 67, 131, 201, 393, 751, 2253, 8777, 26331, 50317, 98381, 150951, 295143, 6591527, 19774581]

約数ペア:

[(1, 19774581), (3, 6591527), (67, 295143), (131, 150951), (201, 98381), (393, 50317), (751, 26331), (2253, 8777)]