18431655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6571}}^1$

素因数の和:6607

約数の個数: 32

約数和(自身を含む): 34069248

約数和(自身を除く): 15637593

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6571, 19713, 32855, 72281, 98565, 111707, 216843, 335121, 361405, 558535, 1084215, 1228777, 1675605, 3686331, 6143885, 18431655]

約数ペア:

[(1, 18431655), (3, 6143885), (5, 3686331), (11, 1675605), (15, 1228777), (17, 1084215), (33, 558535), (51, 361405), (55, 335121), (85, 216843), (165, 111707), (187, 98565), (255, 72281), (561, 32855), (935, 19713), (2805, 6571)]