19744888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3089}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 40046400

約数和(自身を除く): 20301512

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3089, 3196, 6178, 6392, 12356, 24712, 52513, 105026, 145183, 210052, 290366, 420104, 580732, 1161464, 2468111, 4936222, 9872444, 19744888]

約数ペア:

[(1, 19744888), (2, 9872444), (4, 4936222), (8, 2468111), (17, 1161464), (34, 580732), (47, 420104), (68, 290366), (94, 210052), (136, 145183), (188, 105026), (376, 52513), (799, 24712), (1598, 12356), (3089, 6392), (3196, 6178)]