2019914320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328891}}^1$

素因数の和:1328923

約数の個数: 40

約数和(自身を含む): 4943478240

約数和(自身を除く): 2923563920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328891, 2657782, 5315564, 6644455, 10631128, 13288910, 21262256, 25248929, 26577820, 50497858, 53155640, 100995716, 106311280, 126244645, 201991432, 252489290, 403982864, 504978580, 1009957160, 2019914320]

約数ペア:

[(1, 2019914320), (2, 1009957160), (4, 504978580), (5, 403982864), (8, 252489290), (10, 201991432), (16, 126244645), (19, 106311280), (20, 100995716), (38, 53155640), (40, 50497858), (76, 26577820), (80, 25248929), (95, 21262256), (152, 13288910), (190, 10631128), (304, 6644455), (380, 5315564), (760, 2657782), (1520, 1328891)]