19502127

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4020

約数の個数: 20

約数和(自身を含む): 29617896

約数和(自身を除く): 10115769

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3947, 4941, 11841, 35523, 106569, 240767, 319707, 722301, 2166903, 6500709, 19502127]

約数ペア:

[(1, 19502127), (3, 6500709), (9, 2166903), (27, 722301), (61, 319707), (81, 240767), (183, 106569), (549, 35523), (1647, 11841), (3947, 4941)]