16640219

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 12

約数和(自身を含む): 17988120

約数和(自身を除く): 1347901

約数列:

[1, 19, 41, 521, 779, 1681, 9899, 21361, 31939, 405859, 875801, 16640219]

約数ペア:

[(1, 16640219), (19, 875801), (41, 405859), (521, 31939), (779, 21361), (1681, 9899)]