219902210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999111}}^1$

素因数の和:1999129

約数の個数: 16

約数和(自身を含む): 431808192

約数和(自身を除く): 211905982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1999111, 3998222, 9995555, 19991110, 21990221, 43980442, 109951105, 219902210]

約数ペア:

[(1, 219902210), (2, 109951105), (5, 43980442), (10, 21990221), (11, 19991110), (22, 9995555), (55, 3998222), (110, 1999111)]