19854527

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 24969984

約数和(自身を除く): 5115457

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2131, 9317, 14917, 23441, 164087, 257851, 1804957, 2836361, 19854527]

約数ペア:

[(1, 19854527), (7, 2836361), (11, 1804957), (77, 257851), (121, 164087), (847, 23441), (1331, 14917), (2131, 9317)]