18965202056

素因数分解:

$2^3\times {\mathrm{1087}}^1\times {\mathrm{2180911}}^1$

素因数の和:2182004

約数の個数: 16

約数和(自身を含む): 35592483840

約数和(自身を除く): 16627281784

約数列:

[1, 2, 4, 8, 1087, 2174, 4348, 8696, 2180911, 4361822, 8723644, 17447288, 2370650257, 4741300514, 9482601028, 18965202056]

約数ペア:

[(1, 18965202056), (2, 9482601028), (4, 4741300514), (8, 2370650257), (1087, 17447288), (2174, 8723644), (4348, 4361822), (8696, 2180911)]