19118637

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 28431000

約数和(自身を除く): 9312363

約数列:

[1, 3, 9, 53, 149, 159, 269, 447, 477, 807, 1341, 2421, 7897, 14257, 23691, 40081, 42771, 71073, 120243, 128313, 360729, 2124293, 6372879, 19118637]

約数ペア:

[(1, 19118637), (3, 6372879), (9, 2124293), (53, 360729), (149, 128313), (159, 120243), (269, 71073), (447, 42771), (477, 40081), (807, 23691), (1341, 14257), (2421, 7897)]