19936444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2466

約数の個数: 36

約数和(自身を含む): 40621392

約数和(自身を除く): 20684948

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2423, 4114, 4846, 8228, 9692, 26653, 41191, 53306, 82382, 106612, 164764, 293183, 453101, 586366, 906202, 1172732, 1812404, 4984111, 9968222, 19936444]

約数ペア:

[(1, 19936444), (2, 9968222), (4, 4984111), (11, 1812404), (17, 1172732), (22, 906202), (34, 586366), (44, 453101), (68, 293183), (121, 164764), (187, 106612), (242, 82382), (374, 53306), (484, 41191), (748, 26653), (2057, 9692), (2423, 8228), (4114, 4846)]