19826896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72893}}^1$

素因数の和:72918

約数の個数: 20

約数和(自身を含む): 40674852

約数和(自身を除く): 20847956

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72893, 145786, 291572, 583144, 1166288, 1239181, 2478362, 4956724, 9913448, 19826896]

約数ペア:

[(1, 19826896), (2, 9913448), (4, 4956724), (8, 2478362), (16, 1239181), (17, 1166288), (34, 583144), (68, 291572), (136, 145786), (272, 72893)]