19997899

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 22546080

約数和(自身を除く): 2548181

約数列:

[1, 17, 19, 101, 323, 613, 1717, 1919, 10421, 11647, 32623, 61913, 197999, 1052521, 1176347, 19997899]

約数ペア:

[(1, 19997899), (17, 1176347), (19, 1052521), (101, 197999), (323, 61913), (613, 32623), (1717, 11647), (1919, 10421)]