19947596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1259}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 17202244

約数列:

[1, 2, 4, 17, 34, 68, 233, 466, 932, 1259, 2518, 3961, 5036, 7922, 15844, 21403, 42806, 85612, 293347, 586694, 1173388, 4986899, 9973798, 19947596]

約数ペア:

[(1, 19947596), (2, 9973798), (4, 4986899), (17, 1173388), (34, 586694), (68, 293347), (233, 85612), (466, 42806), (932, 21403), (1259, 15844), (2518, 7922), (3961, 5036)]