20181844179

素因数分解:

$3^2\times 7^2\times {\mathrm{45763819}}^1$

素因数の和:45763839

約数の個数: 18

約数和(自身を含む): 33910990620

約数和(自身を除く): 13729146441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45763819, 137291457, 320346733, 411874371, 961040199, 2242427131, 2883120597, 6727281393, 20181844179]

約数ペア:

[(1, 20181844179), (3, 6727281393), (7, 2883120597), (9, 2242427131), (21, 961040199), (49, 411874371), (63, 320346733), (147, 137291457), (441, 45763819)]