18138267

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2267}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 12053349

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2267, 2667, 6801, 8001, 15869, 20403, 47607, 142821, 287909, 863727, 2015363, 2591181, 6046089, 18138267]

約数ペア:

[(1, 18138267), (3, 6046089), (7, 2591181), (9, 2015363), (21, 863727), (63, 287909), (127, 142821), (381, 47607), (889, 20403), (1143, 15869), (2267, 8001), (2667, 6801)]