18720205439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{7603}}^1\times {\mathrm{189401}}^1$

素因数の和:197017

約数の個数: 8

約数和(自身を含む): 20162979312

約数和(自身を除く): 1442773873

約数列:

[1, 13, 7603, 98839, 189401, 2462213, 1440015803, 18720205439]

約数ペア:

[(1, 18720205439), (13, 1440015803), (7603, 2462213), (98839, 189401)]