18816392

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 42845760

約数和(自身を除く): 24029368

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2087, 2254, 4174, 4508, 8348, 9016, 14609, 16696, 29218, 48001, 58436, 96002, 102263, 116872, 192004, 204526, 336007, 384008, 409052, 672014, 818104, 1344028, 2352049, 2688056, 4704098, 9408196, 18816392]

約数ペア:

[(1, 18816392), (2, 9408196), (4, 4704098), (7, 2688056), (8, 2352049), (14, 1344028), (23, 818104), (28, 672014), (46, 409052), (49, 384008), (56, 336007), (92, 204526), (98, 192004), (161, 116872), (184, 102263), (196, 96002), (322, 58436), (392, 48001), (644, 29218), (1127, 16696), (1288, 14609), (2087, 9016), (2254, 8348), (4174, 4508)]