18518289

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 25872000

約数和(自身を除く): 7353711

約数列:

[1, 3, 23, 69, 349, 769, 1047, 2307, 8027, 17687, 24081, 53061, 268381, 805143, 6172763, 18518289]

約数ペア:

[(1, 18518289), (3, 6172763), (23, 805143), (69, 268381), (349, 53061), (769, 24081), (1047, 17687), (2307, 8027)]