2007990018

素因数分解:

$2^1\times 3^2\times {\mathrm{111555001}}^1$

素因数の和:111555009

約数の個数: 12

約数和(自身を含む): 4350645078

約数和(自身を除く): 2342655060

約数列:

[1, 2, 3, 6, 9, 18, 111555001, 223110002, 334665003, 669330006, 1003995009, 2007990018]

約数ペア:

[(1, 2007990018), (2, 1003995009), (3, 669330006), (6, 334665003), (9, 223110002), (18, 111555001)]