19420839

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{52631}}^1$

素因数の和:52678

約数の個数: 12

約数和(自身を含む): 28737072

約数和(自身を除く): 9316233

約数列:

[1, 3, 9, 41, 123, 369, 52631, 157893, 473679, 2157871, 6473613, 19420839]

約数ペア:

[(1, 19420839), (3, 6473613), (9, 2157871), (41, 473679), (123, 157893), (369, 52631)]