18138663

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 27039168

約数和(自身を除く): 8900505

約数列:

[1, 3, 9, 47, 137, 141, 313, 411, 423, 939, 1233, 2817, 6439, 14711, 19317, 42881, 44133, 57951, 128643, 132399, 385929, 2015407, 6046221, 18138663]

約数ペア:

[(1, 18138663), (3, 6046221), (9, 2015407), (47, 385929), (137, 132399), (141, 128643), (313, 57951), (411, 44133), (423, 42881), (939, 19317), (1233, 14711), (2817, 6439)]