18380847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4813}}^1$

素因数の和:4902

約数の個数: 16

約数和(自身を含む): 26188160

約数和(自身を除く): 7807313

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 4813, 14439, 91447, 274341, 322471, 967413, 6126949, 18380847]

約数ペア:

[(1, 18380847), (3, 6126949), (19, 967413), (57, 322471), (67, 274341), (201, 91447), (1273, 14439), (3819, 4813)]