19393956

素因数分解:

$2^2\times 3^2\times {\mathrm{538721}}^1$

素因数の和:538731

約数の個数: 18

約数和(自身を含む): 49023702

約数和(自身を除く): 29629746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 538721, 1077442, 1616163, 2154884, 3232326, 4848489, 6464652, 9696978, 19393956]

約数ペア:

[(1, 19393956), (2, 9696978), (3, 6464652), (4, 4848489), (6, 3232326), (9, 2154884), (12, 1616163), (18, 1077442), (36, 538721)]