19845991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25411}}^1$

素因数の和:25493

約数の個数: 8

約数和(自身を含む): 21955968

約数和(自身を除く): 2109977

約数列:

[1, 11, 71, 781, 25411, 279521, 1804181, 19845991]

約数ペア:

[(1, 19845991), (11, 1804181), (71, 279521), (781, 25411)]