189746768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{21523}}^1$

素因数の和:21579

約数の個数: 40

約数和(自身を含む): 400346400

約数和(自身を除く): 210599632

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 21523, 43046, 86092, 172184, 344368, 408937, 624167, 817874, 1248334, 1635748, 2496668, 3271496, 4993336, 6542992, 9986672, 11859173, 23718346, 47436692, 94873384, 189746768]

約数ペア:

[(1, 189746768), (2, 94873384), (4, 47436692), (8, 23718346), (16, 11859173), (19, 9986672), (29, 6542992), (38, 4993336), (58, 3271496), (76, 2496668), (116, 1635748), (152, 1248334), (232, 817874), (304, 624167), (464, 408937), (551, 344368), (1102, 172184), (2204, 86092), (4408, 43046), (8816, 21523)]