19943800016

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{513169}}^1$

素因数の和:513531

約数の個数: 40

約数和(自身を含む): 44288623680

約数和(自身を除く): 24344823664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 694, 1388, 2429, 2776, 4858, 5552, 9716, 19432, 38864, 513169, 1026338, 2052676, 3592183, 4105352, 7184366, 8210704, 14368732, 28737464, 57474928, 178069643, 356139286, 712278572, 1246487501, 1424557144, 2492975002, 2849114288, 4985950004, 9971900008, 19943800016]

約数ペア:

[(1, 19943800016), (2, 9971900008), (4, 4985950004), (7, 2849114288), (8, 2492975002), (14, 1424557144), (16, 1246487501), (28, 712278572), (56, 356139286), (112, 178069643), (347, 57474928), (694, 28737464), (1388, 14368732), (2429, 8210704), (2776, 7184366), (4858, 4105352), (5552, 3592183), (9716, 2052676), (19432, 1026338), (38864, 513169)]