19808811

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10531}}^1$

素因数の和:10567

約数の個数: 24

約数和(自身を含む): 32859840

約数和(自身を除く): 13051029

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10531, 31593, 94779, 115841, 200089, 347523, 600267, 1042569, 1800801, 2200979, 6602937, 19808811]

約数ペア:

[(1, 19808811), (3, 6602937), (9, 2200979), (11, 1800801), (19, 1042569), (33, 600267), (57, 347523), (99, 200089), (171, 115841), (209, 94779), (627, 31593), (1881, 10531)]