18139623

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2027}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 25633920

約数和(自身を除く): 7494297

約数列:

[1, 3, 19, 57, 157, 471, 2027, 2983, 6081, 8949, 38513, 115539, 318239, 954717, 6046541, 18139623]

約数ペア:

[(1, 18139623), (3, 6046541), (19, 954717), (57, 318239), (157, 115539), (471, 38513), (2027, 8949), (2983, 6081)]