18425732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 35401716

約数和(自身を除く): 16975984

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 281, 338, 388, 562, 676, 1124, 1261, 2522, 3653, 5044, 7306, 14612, 16393, 27257, 32786, 47489, 54514, 65572, 94978, 109028, 189956, 354341, 708682, 1417364, 4606433, 9212866, 18425732]

約数ペア:

[(1, 18425732), (2, 9212866), (4, 4606433), (13, 1417364), (26, 708682), (52, 354341), (97, 189956), (169, 109028), (194, 94978), (281, 65572), (338, 54514), (388, 47489), (562, 32786), (676, 27257), (1124, 16393), (1261, 14612), (2522, 7306), (3653, 5044)]