19841755

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3671}}^1$

素因数の和:3746

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 5539109

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3671, 5405, 18355, 84433, 172537, 422165, 862685, 3968351, 19841755]

約数ペア:

[(1, 19841755), (5, 3968351), (23, 862685), (47, 422165), (115, 172537), (235, 84433), (1081, 18355), (3671, 5405)]