18694719

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9609921

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 719, 963, 2157, 2889, 6471, 8667, 19413, 26001, 58239, 76933, 174717, 230799, 692397, 2077191, 6231573, 18694719]

約数ペア:

[(1, 18694719), (3, 6231573), (9, 2077191), (27, 692397), (81, 230799), (107, 174717), (243, 76933), (321, 58239), (719, 26001), (963, 19413), (2157, 8667), (2889, 6471)]