19993567

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 23109120

約数和(自身を除く): 3115553

約数列:

[1, 11, 19, 209, 271, 353, 2981, 3883, 5149, 6707, 56639, 73777, 95663, 1052293, 1817597, 19993567]

約数ペア:

[(1, 19993567), (11, 1817597), (19, 1052293), (209, 95663), (271, 73777), (353, 56639), (2981, 6707), (3883, 5149)]