19229959

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 22478848

約数和(自身を除く): 3248889

約数列:

[1, 7, 97, 127, 223, 679, 889, 1561, 12319, 21631, 28321, 86233, 151417, 198247, 2747137, 19229959]

約数ペア:

[(1, 19229959), (7, 2747137), (97, 198247), (127, 151417), (223, 86233), (679, 28321), (889, 21631), (1561, 12319)]