19830790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40471}}^1$

素因数の和:40492

約数の個数: 24

約数和(自身を含む): 41524272

約数和(自身を除く): 21693482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40471, 80942, 202355, 283297, 404710, 566594, 1416485, 1983079, 2832970, 3966158, 9915395, 19830790]

約数ペア:

[(1, 19830790), (2, 9915395), (5, 3966158), (7, 2832970), (10, 1983079), (14, 1416485), (35, 566594), (49, 404710), (70, 283297), (98, 202355), (245, 80942), (490, 40471)]