19128953

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 21258240

約数和(自身を除く): 2129287

約数列:

[1, 19, 31, 47, 589, 691, 893, 1457, 13129, 21421, 27683, 32477, 406999, 617063, 1006787, 19128953]

約数ペア:

[(1, 19128953), (19, 1006787), (31, 617063), (47, 406999), (589, 32477), (691, 27683), (893, 21421), (1457, 13129)]