19661104

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7103}}^1$

素因数の和:7284

約数の個数: 20

約数和(自身を含む): 38318976

約数和(自身を除く): 18657872

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7103, 14206, 28412, 56824, 113648, 1228819, 2457638, 4915276, 9830552, 19661104]

約数ペア:

[(1, 19661104), (2, 9830552), (4, 4915276), (8, 2457638), (16, 1228819), (173, 113648), (346, 56824), (692, 28412), (1384, 14206), (2768, 7103)]