18663947

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 20428800

約数和(自身を除く): 1764853

約数列:

[1, 19, 37, 139, 191, 703, 2641, 3629, 5143, 7067, 26549, 97717, 134273, 504431, 982313, 18663947]

約数ペア:

[(1, 18663947), (19, 982313), (37, 504431), (139, 134273), (191, 97717), (703, 26549), (2641, 7067), (3629, 5143)]