18906765

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4027}}^1$

素因数の和:4348

約数の個数: 16

約数和(自身を含む): 30355008

約数和(自身を除く): 11448243

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4027, 4695, 12081, 20135, 60405, 1260451, 3781353, 6302255, 18906765]

約数ペア:

[(1, 18906765), (3, 6302255), (5, 3781353), (15, 1260451), (313, 60405), (939, 20135), (1565, 12081), (4027, 4695)]