18308291211

素因数分解:

$3^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{440983}}^1$

素因数の和:441655

約数の個数: 24

約数和(自身を含む): 30269141760

約数和(自身を除く): 11960850549

約数列:

[1, 3, 7, 9, 21, 63, 659, 1977, 4613, 5931, 13839, 41517, 440983, 1322949, 3086881, 3968847, 9260643, 27781929, 290607797, 871823391, 2034254579, 2615470173, 6102763737, 18308291211]

約数ペア:

[(1, 18308291211), (3, 6102763737), (7, 2615470173), (9, 2034254579), (21, 871823391), (63, 290607797), (659, 27781929), (1977, 9260643), (4613, 3968847), (5931, 3086881), (13839, 1322949), (41517, 440983)]