18605481

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 6666519

約数列:

[1, 3, 107, 149, 321, 389, 447, 1167, 15943, 41623, 47829, 57961, 124869, 173883, 6201827, 18605481]

約数ペア:

[(1, 18605481), (3, 6201827), (107, 173883), (149, 124869), (321, 57961), (389, 47829), (447, 41623), (1167, 15943)]