19457372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4057}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 37495920

約数和(自身を除く): 18038548

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4057, 4796, 8114, 16228, 44627, 89254, 178508, 442213, 884426, 1768852, 4864343, 9728686, 19457372]

約数ペア:

[(1, 19457372), (2, 9728686), (4, 4864343), (11, 1768852), (22, 884426), (44, 442213), (109, 178508), (218, 89254), (436, 44627), (1199, 16228), (2398, 8114), (4057, 4796)]