18647499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3209}}^1$

素因数の和:3374

約数の個数: 16

約数和(自身を含む): 26964000

約数和(自身を除く): 8316501

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3209, 5811, 9627, 41717, 125151, 478141, 1434423, 6215833, 18647499]

約数ペア:

[(1, 18647499), (3, 6215833), (13, 1434423), (39, 478141), (149, 125151), (447, 41717), (1937, 9627), (3209, 5811)]