1998666

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3046

約数の個数: 24

約数和(自身を含む): 4448964

約数和(自身を除く): 2450298

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 3001, 6002, 9003, 18006, 27009, 54018, 111037, 222074, 333111, 666222, 999333, 1998666]

約数ペア:

[(1, 1998666), (2, 999333), (3, 666222), (6, 333111), (9, 222074), (18, 111037), (37, 54018), (74, 27009), (111, 18006), (222, 9003), (333, 6002), (666, 3001)]