199764176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 408530400

約数和(自身を除く): 208766224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 509, 1018, 1291, 2036, 2582, 4072, 5164, 8144, 9671, 10328, 19342, 20656, 24529, 38684, 49058, 77368, 98116, 154736, 196232, 392464, 657119, 1314238, 2628476, 5256952, 10513904, 12485261, 24970522, 49941044, 99882088, 199764176]

約数ペア:

[(1, 199764176), (2, 99882088), (4, 49941044), (8, 24970522), (16, 12485261), (19, 10513904), (38, 5256952), (76, 2628476), (152, 1314238), (304, 657119), (509, 392464), (1018, 196232), (1291, 154736), (2036, 98116), (2582, 77368), (4072, 49058), (5164, 38684), (8144, 24529), (9671, 20656), (10328, 19342)]