18981146

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12983}}^1$

素因数の和:13045

約数の個数: 16

約数和(自身を含む): 30849984

約数和(自身を除く): 11868838

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 12983, 25966, 220711, 441422, 558269, 1116538, 9490573, 18981146]

約数ペア:

[(1, 18981146), (2, 9490573), (17, 1116538), (34, 558269), (43, 441422), (86, 220711), (731, 25966), (1462, 12983)]