2018808561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8739431}}^1$

素因数の和:8739452

約数の個数: 16

約数和(自身を含む): 3355941888

約数和(自身を除く): 1337133327

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 8739431, 26218293, 61176017, 96133741, 183528051, 288401223, 672936187, 2018808561]

約数ペア:

[(1, 2018808561), (3, 672936187), (7, 288401223), (11, 183528051), (21, 96133741), (33, 61176017), (77, 26218293), (231, 8739431)]