18289910

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5881}}^1$

素因数の和:6199

約数の個数: 16

約数和(自身を含む): 33033312

約数和(自身を除く): 14743402

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 5881, 11762, 29405, 58810, 1828991, 3657982, 9144955, 18289910]

約数ペア:

[(1, 18289910), (2, 9144955), (5, 3657982), (10, 1828991), (311, 58810), (622, 29405), (1555, 11762), (3110, 5881)]