19628656

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 19743824

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 293, 316, 424, 586, 632, 848, 1172, 1264, 2344, 4187, 4688, 8374, 15529, 16748, 23147, 31058, 33496, 46294, 62116, 66992, 92588, 124232, 185176, 248464, 370352, 1226791, 2453582, 4907164, 9814328, 19628656]

約数ペア:

[(1, 19628656), (2, 9814328), (4, 4907164), (8, 2453582), (16, 1226791), (53, 370352), (79, 248464), (106, 185176), (158, 124232), (212, 92588), (293, 66992), (316, 62116), (424, 46294), (586, 33496), (632, 31058), (848, 23147), (1172, 16748), (1264, 15529), (2344, 8374), (4187, 4688)]