18542901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3191}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 8269899

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3191, 5811, 9573, 41483, 124449, 475459, 1426377, 6180967, 18542901]

約数ペア:

[(1, 18542901), (3, 6180967), (13, 1426377), (39, 475459), (149, 124449), (447, 41483), (1937, 9573), (3191, 5811)]