18620491

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 20632320

約数和(自身を除く): 2011829

約数列:

[1, 17, 31, 89, 397, 527, 1513, 2759, 6749, 12307, 35333, 46903, 209219, 600661, 1095323, 18620491]

約数ペア:

[(1, 18620491), (17, 1095323), (31, 600661), (89, 209219), (397, 46903), (527, 35333), (1513, 12307), (2759, 6749)]