219903310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1999121}}^1$

素因数の和:1999139

約数の個数: 16

約数和(自身を含む): 431810352

約数和(自身を除く): 211907042

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1999121, 3998242, 9995605, 19991210, 21990331, 43980662, 109951655, 219903310]

約数ペア:

[(1, 219903310), (2, 109951655), (5, 43980662), (10, 21990331), (11, 19991210), (22, 9995605), (55, 3998242), (110, 1999121)]