18796228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{677}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 35993664

約数和(自身を除く): 17197436

約数列:

[1, 2, 4, 11, 22, 44, 631, 677, 1262, 1354, 2524, 2708, 6941, 7447, 13882, 14894, 27764, 29788, 427187, 854374, 1708748, 4699057, 9398114, 18796228]

約数ペア:

[(1, 18796228), (2, 9398114), (4, 4699057), (11, 1708748), (22, 854374), (44, 427187), (631, 29788), (677, 27764), (1262, 14894), (1354, 13882), (2524, 7447), (2708, 6941)]