19720072

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18382328

約数列:

[1, 2, 4, 8, 47, 94, 179, 188, 293, 358, 376, 586, 716, 1172, 1432, 2344, 8413, 13771, 16826, 27542, 33652, 52447, 55084, 67304, 104894, 110168, 209788, 419576, 2465009, 4930018, 9860036, 19720072]

約数ペア:

[(1, 19720072), (2, 9860036), (4, 4930018), (8, 2465009), (47, 419576), (94, 209788), (179, 110168), (188, 104894), (293, 67304), (358, 55084), (376, 52447), (586, 33652), (716, 27542), (1172, 16826), (1432, 13771), (2344, 8413)]