18120243

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7393}}^1$

素因数の和:7458

約数の個数: 16

約数和(自身を含む): 26026880

約数和(自身を除く): 7906637

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7393, 22179, 140467, 317899, 421401, 953697, 6040081, 18120243]

約数ペア:

[(1, 18120243), (3, 6040081), (19, 953697), (43, 421401), (57, 317899), (129, 140467), (817, 22179), (2451, 7393)]