2019203641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{20117}}^1$

素因数の和:21240

約数の個数: 16

約数和(自身を含む): 2487550464

約数和(自身を除く): 468346823

約数列:

[1, 7, 13, 91, 1103, 7721, 14339, 20117, 100373, 140819, 261521, 1830647, 22189051, 155323357, 288457663, 2019203641]

約数ペア:

[(1, 2019203641), (7, 288457663), (13, 155323357), (91, 22189051), (1103, 1830647), (7721, 261521), (14339, 140819), (20117, 100373)]