19729215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39857}}^1$

素因数の和:39879

約数の個数: 24

約数和(自身を含む): 37307088

約数和(自身を除く): 17577873

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 39857, 119571, 199285, 358713, 438427, 597855, 1315281, 1793565, 2192135, 3945843, 6576405, 19729215]

約数ペア:

[(1, 19729215), (3, 6576405), (5, 3945843), (9, 2192135), (11, 1793565), (15, 1315281), (33, 597855), (45, 438427), (55, 358713), (99, 199285), (165, 119571), (495, 39857)]