18682081

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 21086208

約数和(自身を除く): 2404127

約数列:

[1, 11, 43, 127, 311, 473, 1397, 3421, 5461, 13373, 39497, 60071, 147103, 434467, 1698371, 18682081]

約数ペア:

[(1, 18682081), (11, 1698371), (43, 434467), (127, 147103), (311, 60071), (473, 39497), (1397, 13373), (3421, 5461)]