19201732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 37407580

約数和(自身を除く): 18205848

約数列:

[1, 2, 4, 11, 22, 44, 97, 121, 194, 242, 388, 409, 484, 818, 1067, 1636, 2134, 4268, 4499, 8998, 11737, 17996, 23474, 39673, 46948, 49489, 79346, 98978, 158692, 197956, 436403, 872806, 1745612, 4800433, 9600866, 19201732]

約数ペア:

[(1, 19201732), (2, 9600866), (4, 4800433), (11, 1745612), (22, 872806), (44, 436403), (97, 197956), (121, 158692), (194, 98978), (242, 79346), (388, 49489), (409, 46948), (484, 39673), (818, 23474), (1067, 17996), (1636, 11737), (2134, 8998), (4268, 4499)]