19886508

素因数分解:

$2^2\times 3^2\times {\mathrm{552403}}^1$

素因数の和:552413

約数の個数: 18

約数和(自身を含む): 50268764

約数和(自身を除く): 30382256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552403, 1104806, 1657209, 2209612, 3314418, 4971627, 6628836, 9943254, 19886508]

約数ペア:

[(1, 19886508), (2, 9943254), (3, 6628836), (4, 4971627), (6, 3314418), (9, 2209612), (12, 1657209), (18, 1104806), (36, 552403)]