19493981811

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{53309}}^1$

素因数の和:54347

約数の個数: 24

約数和(自身を含む): 28874401920

約数和(自身を除く): 9380420109

約数列:

[1, 3, 9, 41, 123, 369, 991, 2973, 8919, 40631, 53309, 121893, 159927, 365679, 479781, 2185669, 6557007, 19671021, 52829219, 158487657, 475462971, 2165997979, 6497993937, 19493981811]

約数ペア:

[(1, 19493981811), (3, 6497993937), (9, 2165997979), (41, 475462971), (123, 158487657), (369, 52829219), (991, 19671021), (2973, 6557007), (8919, 2185669), (40631, 479781), (53309, 365679), (121893, 159927)]