18940701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25561}}^1$

素因数の和:25596

約数の個数: 16

約数和(自身を含む): 28629440

約数和(自身を除く): 9688739

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25561, 76683, 332293, 485659, 996879, 1456977, 6313567, 18940701]

約数ペア:

[(1, 18940701), (3, 6313567), (13, 1456977), (19, 996879), (39, 485659), (57, 332293), (247, 76683), (741, 25561)]