18280867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 2247773

約数列:

[1, 11, 71, 89, 263, 781, 979, 2893, 6319, 18673, 23407, 69509, 205403, 257477, 1661897, 18280867]

約数ペア:

[(1, 18280867), (11, 1661897), (71, 257477), (89, 205403), (263, 69509), (781, 23407), (979, 18673), (2893, 6319)]