18733857

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 25894080

約数和(自身を除く): 7160223

約数列:

[1, 3, 53, 59, 159, 177, 1997, 3127, 5991, 9381, 105841, 117823, 317523, 353469, 6244619, 18733857]

約数ペア:

[(1, 18733857), (3, 6244619), (53, 353469), (59, 317523), (159, 117823), (177, 105841), (1997, 9381), (3127, 5991)]