18851371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5209}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 24007680

約数和(自身を除く): 5156309

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5209, 36463, 57299, 244823, 401093, 1713761, 2693053, 18851371]

約数ペア:

[(1, 18851371), (7, 2693053), (11, 1713761), (47, 401093), (77, 244823), (329, 57299), (517, 36463), (3619, 5209)]