2199010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19991}}^1$

素因数の和:20009

約数の個数: 16

約数和(自身を含む): 4318272

約数和(自身を除く): 2119262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19991, 39982, 99955, 199910, 219901, 439802, 1099505, 2199010]

約数ペア:

[(1, 2199010), (2, 1099505), (5, 439802), (10, 219901), (11, 199910), (22, 99955), (55, 39982), (110, 19991)]