20181656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2903}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 21635944

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2903, 3476, 5806, 6952, 11612, 23224, 31933, 63866, 127732, 229337, 255464, 458674, 917348, 1834696, 2522707, 5045414, 10090828, 20181656]

約数ペア:

[(1, 20181656), (2, 10090828), (4, 5045414), (8, 2522707), (11, 1834696), (22, 917348), (44, 458674), (79, 255464), (88, 229337), (158, 127732), (316, 63866), (632, 31933), (869, 23224), (1738, 11612), (2903, 6952), (3476, 5806)]