18896307

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 26744256

約数和(自身を除く): 7847949

約数列:

[1, 3, 37, 43, 107, 111, 129, 321, 1369, 1591, 3959, 4107, 4601, 4773, 11877, 13803, 58867, 146483, 170237, 176601, 439449, 510711, 6298769, 18896307]

約数ペア:

[(1, 18896307), (3, 6298769), (37, 510711), (43, 439449), (107, 176601), (111, 170237), (129, 146483), (321, 58867), (1369, 13803), (1591, 11877), (3959, 4773), (4107, 4601)]