18690856

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{34871}}^1$

素因数の和:34944

約数の個数: 16

約数和(自身を含む): 35569440

約数和(自身を除く): 16878584

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 34871, 69742, 139484, 278968, 2336357, 4672714, 9345428, 18690856]

約数ペア:

[(1, 18690856), (2, 9345428), (4, 4672714), (8, 2336357), (67, 278968), (134, 139484), (268, 69742), (536, 34871)]