19289204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438391}}^1$

素因数の和:438406

約数の個数: 12

約数和(自身を含む): 36824928

約数和(自身を除く): 17535724

約数列:

[1, 2, 4, 11, 22, 44, 438391, 876782, 1753564, 4822301, 9644602, 19289204]

約数ペア:

[(1, 19289204), (2, 9644602), (4, 4822301), (11, 1753564), (22, 876782), (44, 438391)]