18156376

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{929}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 39060000

約数和(自身を除く): 20903624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 929, 1396, 1858, 2443, 2792, 3716, 4886, 6503, 7432, 9772, 13006, 19544, 26012, 52024, 324221, 648442, 1296884, 2269547, 2593768, 4539094, 9078188, 18156376]

約数ペア:

[(1, 18156376), (2, 9078188), (4, 4539094), (7, 2593768), (8, 2269547), (14, 1296884), (28, 648442), (56, 324221), (349, 52024), (698, 26012), (929, 19544), (1396, 13006), (1858, 9772), (2443, 7432), (2792, 6503), (3716, 4886)]