19962896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3191}}^1$

素因数の和:3239

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 22784368

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3191, 6256, 6382, 12764, 25528, 51056, 54247, 73393, 108494, 146786, 216988, 293572, 433976, 587144, 867952, 1174288, 1247681, 2495362, 4990724, 9981448, 19962896]

約数ペア:

[(1, 19962896), (2, 9981448), (4, 4990724), (8, 2495362), (16, 1247681), (17, 1174288), (23, 867952), (34, 587144), (46, 433976), (68, 293572), (92, 216988), (136, 146786), (184, 108494), (272, 73393), (368, 54247), (391, 51056), (782, 25528), (1564, 12764), (3128, 6382), (3191, 6256)]