19047411

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1259}}^1$

素因数の和:1347

約数の個数: 18

約数和(自身を含む): 28222740

約数和(自身を除く): 9175329

約数列:

[1, 3, 9, 41, 123, 369, 1259, 1681, 3777, 5043, 11331, 15129, 51619, 154857, 464571, 2116379, 6349137, 19047411]

約数ペア:

[(1, 19047411), (3, 6349137), (9, 2116379), (41, 464571), (123, 154857), (369, 51619), (1259, 15129), (1681, 11331), (3777, 5043)]