18797149

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 22163328

約数和(自身を除く): 3366179

約数列:

[1, 7, 43, 197, 301, 317, 1379, 2219, 8471, 13631, 59297, 62449, 95417, 437143, 2685307, 18797149]

約数ペア:

[(1, 18797149), (7, 2685307), (43, 437143), (197, 95417), (301, 62449), (317, 59297), (1379, 13631), (2219, 8471)]