19739737

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 21676032

約数和(自身を除く): 1936295

約数列:

[1, 17, 41, 127, 223, 697, 2159, 3791, 5207, 9143, 28321, 88519, 155431, 481457, 1161161, 19739737]

約数ペア:

[(1, 19739737), (17, 1161161), (41, 481457), (127, 155431), (223, 88519), (697, 28321), (2159, 9143), (3791, 5207)]