18505014

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22863306

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 359, 363, 426, 718, 726, 781, 1077, 1562, 2154, 2343, 3949, 4686, 7898, 8591, 11847, 17182, 23694, 25489, 25773, 43439, 50978, 51546, 76467, 86878, 130317, 152934, 260634, 280379, 560758, 841137, 1682274, 3084169, 6168338, 9252507, 18505014]

約数ペア:

[(1, 18505014), (2, 9252507), (3, 6168338), (6, 3084169), (11, 1682274), (22, 841137), (33, 560758), (66, 280379), (71, 260634), (121, 152934), (142, 130317), (213, 86878), (242, 76467), (359, 51546), (363, 50978), (426, 43439), (718, 25773), (726, 25489), (781, 23694), (1077, 17182), (1562, 11847), (2154, 8591), (2343, 7898), (3949, 4686)]