19789901

素因数分解:

${\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1603

約数の個数: 8

約数和(自身を含む): 20179008

約数和(自身を除く): 389107

約数列:

[1, 71, 211, 1321, 14981, 93791, 278731, 19789901]

約数ペア:

[(1, 19789901), (71, 278731), (211, 93791), (1321, 14981)]