19893368

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20551}}^1$

素因数の和:20579

約数の個数: 24

約数和(自身を含む): 41001240

約数和(自身を除く): 21107872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20551, 41102, 82204, 164408, 226061, 452122, 904244, 1808488, 2486671, 4973342, 9946684, 19893368]

約数ペア:

[(1, 19893368), (2, 9946684), (4, 4973342), (8, 2486671), (11, 1808488), (22, 904244), (44, 452122), (88, 226061), (121, 164408), (242, 82204), (484, 41102), (968, 20551)]