18138747

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 26889408

約数和(自身を除く): 8750661

約数列:

[1, 3, 11, 33, 107, 121, 321, 363, 467, 1177, 1401, 3531, 5137, 12947, 15411, 38841, 49969, 56507, 149907, 169521, 549659, 1648977, 6046249, 18138747]

約数ペア:

[(1, 18138747), (3, 6046249), (11, 1648977), (33, 549659), (107, 169521), (121, 149907), (321, 56507), (363, 49969), (467, 38841), (1177, 15411), (1401, 12947), (3531, 5137)]