19666347

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{569}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 27004320

約数和(自身を除く): 7337973

約数列:

[1, 3, 41, 123, 281, 569, 843, 1707, 11521, 23329, 34563, 69987, 159889, 479667, 6555449, 19666347]

約数ペア:

[(1, 19666347), (3, 6555449), (41, 479667), (123, 159889), (281, 69987), (569, 34563), (843, 23329), (1707, 11521)]