18648903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68311}}^1$

素因数の和:68334

約数の個数: 16

約数和(自身を含む): 30603776

約数和(自身を除く): 11954873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68311, 204933, 478177, 888043, 1434531, 2664129, 6216301, 18648903]

約数ペア:

[(1, 18648903), (3, 6216301), (7, 2664129), (13, 1434531), (21, 888043), (39, 478177), (91, 204933), (273, 68311)]