19771956

素因数分解:

$2^2\times 3^2\times {\mathrm{549221}}^1$

素因数の和:549231

約数の個数: 18

約数和(自身を含む): 49979202

約数和(自身を除く): 30207246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 549221, 1098442, 1647663, 2196884, 3295326, 4942989, 6590652, 9885978, 19771956]

約数ペア:

[(1, 19771956), (2, 9885978), (3, 6590652), (4, 4942989), (6, 3295326), (9, 2196884), (12, 1647663), (18, 1098442), (36, 549221)]