19798882

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 30139200

約数和(自身を除く): 10340318

約数列:

[1, 2, 139, 229, 278, 311, 458, 622, 31831, 43229, 63662, 71219, 86458, 142438, 9899441, 19798882]

約数ペア:

[(1, 19798882), (2, 9899441), (139, 142438), (229, 86458), (278, 71219), (311, 63662), (458, 43229), (622, 31831)]