18861073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 23612544

約数和(自身を除く): 4751471

約数列:

[1, 7, 11, 77, 397, 617, 2779, 4319, 4367, 6787, 30569, 47509, 244949, 1714643, 2694439, 18861073]

約数ペア:

[(1, 18861073), (7, 2694439), (11, 1714643), (77, 244949), (397, 47509), (617, 30569), (2779, 6787), (4319, 4367)]