18856550013

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1785151}}^1$

素因数の和:1785664

約数の個数: 16

約数和(自身を含む): 28790931456

約数和(自身を除く): 9934381443

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 10563, 1785151, 5355453, 12496057, 37488171, 897930953, 2693792859, 6285516671, 18856550013]

約数ペア:

[(1, 18856550013), (3, 6285516671), (7, 2693792859), (21, 897930953), (503, 37488171), (1509, 12496057), (3521, 5355453), (10563, 1785151)]