18628215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{26423}}^1$

素因数の和:26478

約数の個数: 16

約数和(自身を含む): 30440448

約数和(自身を除く): 11812233

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 26423, 79269, 132115, 396345, 1241881, 3725643, 6209405, 18628215]

約数ペア:

[(1, 18628215), (3, 6209405), (5, 3725643), (15, 1241881), (47, 396345), (141, 132115), (235, 79269), (705, 26423)]