18590768

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 41521152

約数和(自身を除く): 22930384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1307, 1778, 2032, 2614, 3556, 5228, 7112, 9149, 10456, 14224, 18298, 20912, 36596, 73192, 146384, 165989, 331978, 663956, 1161923, 1327912, 2323846, 2655824, 4647692, 9295384, 18590768]

約数ペア:

[(1, 18590768), (2, 9295384), (4, 4647692), (7, 2655824), (8, 2323846), (14, 1327912), (16, 1161923), (28, 663956), (56, 331978), (112, 165989), (127, 146384), (254, 73192), (508, 36596), (889, 20912), (1016, 18298), (1307, 14224), (1778, 10456), (2032, 9149), (2614, 7112), (3556, 5228)]