18883364

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 34180608

約数和(自身を除く): 15297244

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1087, 2174, 4343, 4348, 8686, 17372, 46741, 93482, 109787, 186964, 219574, 439148, 4720841, 9441682, 18883364]

約数ペア:

[(1, 18883364), (2, 9441682), (4, 4720841), (43, 439148), (86, 219574), (101, 186964), (172, 109787), (202, 93482), (404, 46741), (1087, 17372), (2174, 8686), (4343, 4348)]