18322007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 2725033

約数列:

[1, 11, 23, 139, 253, 521, 1529, 3197, 5731, 11983, 35167, 72419, 131813, 796609, 1665637, 18322007]

約数ペア:

[(1, 18322007), (11, 1665637), (23, 796609), (139, 131813), (253, 72419), (521, 35167), (1529, 11983), (3197, 5731)]