13220903

素因数分解:

${\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 12

約数和(自身を含む): 14237208

約数和(自身を除く): 1016305

約数列:

[1, 19, 53, 361, 691, 1007, 13129, 19133, 36623, 249451, 695837, 13220903]

約数ペア:

[(1, 13220903), (19, 695837), (53, 249451), (361, 36623), (691, 19133), (1007, 13129)]