18155405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1279}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 5068915

約数列:

[1, 5, 17, 85, 167, 835, 1279, 2839, 6395, 14195, 21743, 108715, 213593, 1067965, 3631081, 18155405]

約数ペア:

[(1, 18155405), (5, 3631081), (17, 1067965), (85, 213593), (167, 108715), (835, 21743), (1279, 14195), (2839, 6395)]