19953378

素因数分解:

$2^1\times 3^4\times {\mathrm{123169}}^1$

素因数の和:123183

約数の個数: 20

約数和(自身を含む): 44710710

約数和(自身を除く): 24757332

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123169, 246338, 369507, 739014, 1108521, 2217042, 3325563, 6651126, 9976689, 19953378]

約数ペア:

[(1, 19953378), (2, 9976689), (3, 6651126), (6, 3325563), (9, 2217042), (18, 1108521), (27, 739014), (54, 369507), (81, 246338), (162, 123169)]