2118998161

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{19501}}^1$

素因数の和:19589

約数の個数: 24

約数和(自身を含む): 2615452224

約数和(自身を除く): 496454063

約数列:

[1, 7, 19, 43, 133, 301, 361, 817, 2527, 5719, 15523, 19501, 108661, 136507, 370519, 838543, 2593633, 5869801, 7039861, 15932317, 49279027, 111526219, 302714023, 2118998161]

約数ペア:

[(1, 2118998161), (7, 302714023), (19, 111526219), (43, 49279027), (133, 15932317), (301, 7039861), (361, 5869801), (817, 2593633), (2527, 838543), (5719, 370519), (15523, 136507), (19501, 108661)]