19764272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112297}}^1$

素因数の和:112316

約数の個数: 20

約数和(自身を含む): 41774856

約数和(自身を除く): 22010584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112297, 224594, 449188, 898376, 1235267, 1796752, 2470534, 4941068, 9882136, 19764272]

約数ペア:

[(1, 19764272), (2, 9882136), (4, 4941068), (8, 2470534), (11, 1796752), (16, 1235267), (22, 898376), (44, 449188), (88, 224594), (176, 112297)]