18907251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2459}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 27630720

約数和(自身を除く): 8723469

約数列:

[1, 3, 11, 33, 233, 699, 2459, 2563, 7377, 7689, 27049, 81147, 572947, 1718841, 6302417, 18907251]

約数ペア:

[(1, 18907251), (3, 6302417), (11, 1718841), (33, 572947), (233, 81147), (699, 27049), (2459, 7689), (2563, 7377)]