18237956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{907}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 34932576

約数和(自身を除く): 16694620

約数列:

[1, 2, 4, 11, 22, 44, 457, 907, 914, 1814, 1828, 3628, 5027, 9977, 10054, 19954, 20108, 39908, 414499, 828998, 1657996, 4559489, 9118978, 18237956]

約数ペア:

[(1, 18237956), (2, 9118978), (4, 4559489), (11, 1657996), (22, 828998), (44, 414499), (457, 39908), (907, 20108), (914, 19954), (1814, 10054), (1828, 9977), (3628, 5027)]