18657776

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1097}}^1$

素因数の和:2168

約数の個数: 20

約数和(自身を含む): 36216432

約数和(自身を除く): 17558656

約数列:

[1, 2, 4, 8, 16, 1063, 1097, 2126, 2194, 4252, 4388, 8504, 8776, 17008, 17552, 1166111, 2332222, 4664444, 9328888, 18657776]

約数ペア:

[(1, 18657776), (2, 9328888), (4, 4664444), (8, 2332222), (16, 1166111), (1063, 17552), (1097, 17008), (2126, 8776), (2194, 8504), (4252, 4388)]