18924493

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 22329216

約数和(自身を除く): 3404723

約数列:

[1, 7, 41, 233, 283, 287, 1631, 1981, 9553, 11603, 65939, 66871, 81221, 461573, 2703499, 18924493]

約数ペア:

[(1, 18924493), (7, 2703499), (41, 461573), (233, 81221), (283, 66871), (287, 65939), (1631, 11603), (1981, 9553)]