18458379

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 28409472

約数和(自身を除く): 9951093

約数列:

[1, 3, 9, 17, 51, 153, 223, 541, 669, 1623, 2007, 3791, 4869, 9197, 11373, 27591, 34119, 82773, 120643, 361929, 1085787, 2050931, 6152793, 18458379]

約数ペア:

[(1, 18458379), (3, 6152793), (9, 2050931), (17, 1085787), (51, 361929), (153, 120643), (223, 82773), (541, 34119), (669, 27591), (1623, 11373), (2007, 9197), (3791, 4869)]