18827755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{617}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 24027840

約数和(自身を除く): 5200085

約数列:

[1, 5, 17, 85, 359, 617, 1795, 3085, 6103, 10489, 30515, 52445, 221503, 1107515, 3765551, 18827755]

約数ペア:

[(1, 18827755), (5, 3765551), (17, 1107515), (85, 221503), (359, 52445), (617, 30515), (1795, 10489), (3085, 6103)]