18210303

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 27970800

約数和(自身を除く): 9760497

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 977, 981, 2071, 2931, 6213, 8793, 18563, 18639, 55689, 106493, 167067, 319479, 958437, 2023367, 6070101, 18210303]

約数ペア:

[(1, 18210303), (3, 6070101), (9, 2023367), (19, 958437), (57, 319479), (109, 167067), (171, 106493), (327, 55689), (977, 18639), (981, 18563), (2071, 8793), (2931, 6213)]