19438468

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21929852

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 647, 812, 1036, 1073, 1294, 2146, 2588, 4292, 4529, 7511, 9058, 15022, 18116, 18763, 23939, 30044, 37526, 47878, 75052, 95756, 131341, 167573, 262682, 335146, 525364, 670292, 694231, 1388462, 2776924, 4859617, 9719234, 19438468]

約数ペア:

[(1, 19438468), (2, 9719234), (4, 4859617), (7, 2776924), (14, 1388462), (28, 694231), (29, 670292), (37, 525364), (58, 335146), (74, 262682), (116, 167573), (148, 131341), (203, 95756), (259, 75052), (406, 47878), (518, 37526), (647, 30044), (812, 23939), (1036, 18763), (1073, 18116), (1294, 15022), (2146, 9058), (2588, 7511), (4292, 4529)]