18653872

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17401}}^1$

素因数の和:17476

約数の個数: 20

約数和(自身を含む): 36683416

約数和(自身を除く): 18029544

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17401, 34802, 69604, 139208, 278416, 1165867, 2331734, 4663468, 9326936, 18653872]

約数ペア:

[(1, 18653872), (2, 9326936), (4, 4663468), (8, 2331734), (16, 1165867), (67, 278416), (134, 139208), (268, 69604), (536, 34802), (1072, 17401)]