18741009

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7027}}^1$

素因数の和:7164

約数の個数: 16

約数和(自身を含む): 28786688

約数和(自身を除く): 10045679

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7027, 21081, 49189, 147567, 892429, 2677287, 6247003, 18741009]

約数ペア:

[(1, 18741009), (3, 6247003), (7, 2677287), (21, 892429), (127, 147567), (381, 49189), (889, 21081), (2667, 7027)]