18020561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 20848464

約数和(自身を除く): 2827903

約数列:

[1, 13, 17, 73, 221, 949, 1117, 1241, 14521, 16133, 18989, 81541, 246857, 1060033, 1386197, 18020561]

約数ペア:

[(1, 18020561), (13, 1386197), (17, 1060033), (73, 246857), (221, 81541), (949, 18989), (1117, 16133), (1241, 14521)]