18515139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 26186880

約数和(自身を除く): 7671741

約数列:

[1, 3, 19, 57, 137, 411, 2371, 2603, 7113, 7809, 45049, 135147, 324827, 974481, 6171713, 18515139]

約数ペア:

[(1, 18515139), (3, 6171713), (19, 974481), (57, 324827), (137, 135147), (411, 45049), (2371, 7809), (2603, 7113)]