18516141

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^2$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 31450560

約数和(自身を除く): 12934419

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 939, 2191, 2817, 6573, 8451, 19719, 59157, 97969, 293907, 685783, 881721, 2057349, 2645163, 6172047, 18516141]

約数ペア:

[(1, 18516141), (3, 6172047), (7, 2645163), (9, 2057349), (21, 881721), (27, 685783), (63, 293907), (189, 97969), (313, 59157), (939, 19719), (2191, 8451), (2817, 6573)]