20181279130

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4793653}}^1$

素因数の和:4794081

約数の個数: 16

約数和(自身を含む): 36412595784

約数和(自身を除く): 16231316654

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4793653, 9587306, 23968265, 47936530, 2018127913, 4036255826, 10090639565, 20181279130]

約数ペア:

[(1, 20181279130), (2, 10090639565), (5, 4036255826), (10, 2018127913), (421, 47936530), (842, 23968265), (2105, 9587306), (4210, 4793653)]