18968147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 21254400

約数和(自身を除く): 2286253

約数列:

[1, 11, 71, 149, 163, 781, 1639, 1793, 10579, 11573, 24287, 116369, 127303, 267157, 1724377, 18968147]

約数ペア:

[(1, 18968147), (11, 1724377), (71, 267157), (149, 127303), (163, 116369), (781, 24287), (1639, 11573), (1793, 10579)]