18778352

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4363}}^1$

素因数の和:4640

約数の個数: 20

約数和(自身を含む): 36526680

約数和(自身を除く): 17748328

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4363, 8726, 17452, 34904, 69808, 1173647, 2347294, 4694588, 9389176, 18778352]

約数ペア:

[(1, 18778352), (2, 9389176), (4, 4694588), (8, 2347294), (16, 1173647), (269, 69808), (538, 34904), (1076, 17452), (2152, 8726), (4304, 4363)]