17985994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 24

約数和(自身を含む): 29514240

約数和(自身を除く): 11528246

約数列:

[1, 2, 13, 26, 127, 169, 254, 338, 419, 838, 1651, 3302, 5447, 10894, 21463, 42926, 53213, 70811, 106426, 141622, 691769, 1383538, 8992997, 17985994]

約数ペア:

[(1, 17985994), (2, 8992997), (13, 1383538), (26, 691769), (127, 141622), (169, 106426), (254, 70811), (338, 53213), (419, 42926), (838, 21463), (1651, 10894), (3302, 5447)]