18820053

素因数分解:

$3^3\times 7^1\times {\mathrm{99577}}^1$

素因数の和:99593

約数の個数: 16

約数和(自身を含む): 31864960

約数和(自身を除く): 13044907

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 99577, 298731, 697039, 896193, 2091117, 2688579, 6273351, 18820053]

約数ペア:

[(1, 18820053), (3, 6273351), (7, 2688579), (9, 2091117), (21, 896193), (27, 697039), (63, 298731), (189, 99577)]