18697497

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68489}}^1$

素因数の和:68512

約数の個数: 16

約数和(自身を含む): 30683520

約数和(自身を除く): 11986023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68489, 205467, 479423, 890357, 1438269, 2671071, 6232499, 18697497]

約数ペア:

[(1, 18697497), (3, 6232499), (7, 2671071), (13, 1438269), (21, 890357), (39, 479423), (91, 205467), (273, 68489)]