19289996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438409}}^1$

素因数の和:438424

約数の個数: 12

約数和(自身を含む): 36826440

約数和(自身を除く): 17536444

約数列:

[1, 2, 4, 11, 22, 44, 438409, 876818, 1753636, 4822499, 9644998, 19289996]

約数ペア:

[(1, 19289996), (2, 9644998), (4, 4822499), (11, 1753636), (22, 876818), (44, 438409)]