18805733569

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{30559}}^1$

素因数の和:31253

約数の個数: 24

約数和(自身を含む): 23063020800

約数和(自身を除く): 4257287231

約数列:

[1, 7, 19, 49, 133, 661, 931, 4627, 12559, 30559, 32389, 87913, 213913, 580621, 615391, 1497391, 4064347, 20199499, 28450429, 141396493, 383790481, 989775451, 2686533367, 18805733569]

約数ペア:

[(1, 18805733569), (7, 2686533367), (19, 989775451), (49, 383790481), (133, 141396493), (661, 28450429), (931, 20199499), (4627, 4064347), (12559, 1497391), (30559, 615391), (32389, 580621), (87913, 213913)]