18113953

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 21422016

約数和(自身を除く): 3308063

約数列:

[1, 11, 13, 143, 197, 643, 2167, 2561, 7073, 8359, 28171, 91949, 126671, 1393381, 1646723, 18113953]

約数ペア:

[(1, 18113953), (11, 1646723), (13, 1393381), (143, 126671), (197, 91949), (643, 28171), (2167, 8359), (2561, 7073)]