18615879

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13009}}^1$

素因数の和:13071

約数の個数: 16

約数和(自身を含む): 28101600

約数和(自身を除く): 9485721

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13009, 39027, 117081, 351243, 689477, 2068431, 6205293, 18615879]

約数ペア:

[(1, 18615879), (3, 6205293), (9, 2068431), (27, 689477), (53, 351243), (159, 117081), (477, 39027), (1431, 13009)]