18835240

素因数分解:

$2^3\times 5^1\times {\mathrm{470881}}^1$

素因数の和:470892

約数の個数: 16

約数和(自身を含む): 42379380

約数和(自身を除く): 23544140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470881, 941762, 1883524, 2354405, 3767048, 4708810, 9417620, 18835240]

約数ペア:

[(1, 18835240), (2, 9417620), (4, 4708810), (5, 3767048), (8, 2354405), (10, 1883524), (20, 941762), (40, 470881)]