18873620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2851}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 39768288

約数和(自身を除く): 20894668

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2851, 3310, 5702, 6620, 11404, 14255, 28510, 57020, 943681, 1887362, 3774724, 4718405, 9436810, 18873620]

約数ペア:

[(1, 18873620), (2, 9436810), (4, 4718405), (5, 3774724), (10, 1887362), (20, 943681), (331, 57020), (662, 28510), (1324, 14255), (1655, 11404), (2851, 6620), (3310, 5702)]