19687135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{839}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 26883360

約数和(自身を除く): 7196225

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 839, 1235, 1805, 4195, 4693, 10907, 15941, 23465, 54535, 79705, 207233, 302879, 1036165, 1514395, 3937427, 19687135]

約数ペア:

[(1, 19687135), (5, 3937427), (13, 1514395), (19, 1036165), (65, 302879), (95, 207233), (247, 79705), (361, 54535), (839, 23465), (1235, 15941), (1805, 10907), (4195, 4693)]