18653817

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68329}}^1$

素因数の和:68352

約数の個数: 16

約数和(自身を含む): 30611840

約数和(自身を除く): 11958023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68329, 204987, 478303, 888277, 1434909, 2664831, 6217939, 18653817]

約数ペア:

[(1, 18653817), (3, 6217939), (7, 2664831), (13, 1434909), (21, 888277), (39, 478303), (91, 204987), (273, 68329)]