18555388

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 34151040

約数和(自身を除く): 15595652

約数列:

[1, 2, 4, 23, 46, 92, 139, 278, 556, 1451, 2902, 3197, 5804, 6394, 12788, 33373, 66746, 133492, 201689, 403378, 806756, 4638847, 9277694, 18555388]

約数ペア:

[(1, 18555388), (2, 9277694), (4, 4638847), (23, 806756), (46, 403378), (92, 201689), (139, 133492), (278, 66746), (556, 33373), (1451, 12788), (2902, 6394), (3197, 5804)]