19809152

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{1279}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 43411200

約数和(自身を除く): 23602048

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1279, 1408, 1936, 2558, 3872, 5116, 7744, 10232, 14069, 15488, 20464, 28138, 40928, 56276, 81856, 112552, 154759, 163712, 225104, 309518, 450208, 619036, 900416, 1238072, 1800832, 2476144, 4952288, 9904576, 19809152]

約数ペア:

[(1, 19809152), (2, 9904576), (4, 4952288), (8, 2476144), (11, 1800832), (16, 1238072), (22, 900416), (32, 619036), (44, 450208), (64, 309518), (88, 225104), (121, 163712), (128, 154759), (176, 112552), (242, 81856), (352, 56276), (484, 40928), (704, 28138), (968, 20464), (1279, 15488), (1408, 14069), (1936, 10232), (2558, 7744), (3872, 5116)]