18416489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 22767360

約数和(自身を除く): 4350871

約数列:

[1, 7, 13, 91, 439, 461, 3073, 3227, 5707, 5993, 39949, 41951, 202379, 1416653, 2630927, 18416489]

約数ペア:

[(1, 18416489), (7, 2630927), (13, 1416653), (91, 202379), (439, 41951), (461, 39949), (3073, 5993), (3227, 5707)]