19191587665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{20479}}^1$

素因数の和:20817

約数の個数: 32

約数和(自身を含む): 24949555200

約数和(自身を除く): 5757967535

約数列:

[1, 5, 23, 29, 115, 145, 281, 667, 1405, 3335, 6463, 8149, 20479, 32315, 40745, 102395, 187427, 471017, 593891, 937135, 2355085, 2969455, 5754599, 13659493, 28772995, 68297465, 132355777, 166883371, 661778885, 834416855, 3838317533, 19191587665]

約数ペア:

[(1, 19191587665), (5, 3838317533), (23, 834416855), (29, 661778885), (115, 166883371), (145, 132355777), (281, 68297465), (667, 28772995), (1405, 13659493), (3335, 5754599), (6463, 2969455), (8149, 2355085), (20479, 937135), (32315, 593891), (40745, 471017), (102395, 187427)]